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Conquest

Conquest is the act or process of subjugating and acquiring control over a territory, population, or resources through the application of military force, typically involving organized armed conflict and resulting in annexation or domination.^[1]^[2]^[3] Historically, conquest has served as a fundamental driver of territorial expansion, empire-building, and geopolitical reconfiguration, often entailing massive casualties, cultural disruptions, and forced migrations while also enabling the diffusion of technologies, governance structures, and genetic diversity across regions.^[2]^[4] Notable examples include the Mongol conquests led by Genghis Khan, which integrated vast swaths of Eurasia and boosted transcontinental trade, and the European incursions into the Americas, which reshaped global demographics and economies through subjugation and resource extraction.^[5]^[6] In international relations theory, conquest embodies realist perspectives on power maximization, where states pursue territorial gains when feasible, contrasting with liberal arguments that such endeavors yield diminishing returns in modern industrialized contexts due to integration costs and resistance.^[7]^[8] Once legitimized as a sovereign right yielding permanent title to seized lands, conquest faced delegitimization in the 20th century through post-World War II norms, including the UN Charter's prohibition on force for territorial acquisition, though empirical instances of annexation reveal the norm's incomplete enforcement amid asymmetric power capabilities.^[9]^[10]

Definition and Conceptual Framework

Etymology and Core Meaning

The English noun "conquest" derives from Middle English conqueste, borrowed from Anglo-French and Old French conqueste (modern French conquête), which stems from Vulgar Latin conquaesita, an unattested feminine past participle altering Latin conquisita from conquirere ("to seek together" or "to procure by effort"), combining the intensive prefix con- with quaerere ("to seek" or "to ask").^[1] ^[11] This root originally connoted acquisition through diligent search or striving, as seen in classical Latin uses of conquirere for gathering resources or information.^[12] By the medieval period, the term had specialized to imply forcible seizure, reflecting the frequent association of such "seeking" with military campaigns and subjugation in Romance languages.^[11] The core meaning of conquest centers on the act of vanquishing opposition—typically a people, army, or territory—through superior coercive power, most often armed conflict, leading to the subduer's assumption of control and the conquered's loss of autonomy.^[1] ^[13] This entails not merely transient victory but enduring possession, such as territorial annexation or political domination, distinguishing it from mere battle outcomes by emphasizing causal outcomes like resource extraction or governance imposition.^[3] ^[14] Historically, the concept privileges empirical demonstrations of force's efficacy in altering power structures, as evidenced in primary accounts of ancient expansions where conquest solidified empires through direct subjugation rather than negotiation.^[15] While secondary connotations include personal triumphs (e.g., romantic "conquests"), the primary, undiluted sense remains tied to zero-sum conflicts where one party's gain causally derives from another's defeat.^[1] Conquest fundamentally differs from war in that the latter denotes any organized armed conflict between states or groups, which may pursue objectives such as defense, deterrence, or limited territorial adjustment without necessitating permanent subjugation or sovereignty transfer.^[8] Conquest, by contrast, entails the successful culmination of an offensive war wherein the victor achieves enduring dominance over the defeated entity's territory, population, and resources, often through effective military control and subsequent legal incorporation.^[16] Invasion represents an initial or attempted phase of military penetration into foreign territory, frequently as a prelude to broader aims, but lacks the implication of sustained success or governance that defines conquest; historical instances, such as Napoleon's 1812 incursion into Russia, illustrate invasion's potential failure to yield lasting control despite initial advances. Conquest requires not merely entry but the subjugation and retention of the invaded area, as seen in the Mongol Empire's 13th-century expansions under Genghis Khan, where invasions transitioned into consolidated rule over vast Eurasian territories.^[8] Military occupation, governed by international instruments like the 1907 Hague Regulations, involves temporary administrative control by a belligerent over enemy territory during hostilities or armistice, preserving the occupied state's underlying sovereignty absent formal annexation.^[16] Conquest surpasses this provisional status by effecting a permanent transfer of title, historically validated through effective possession and a treaty or declaration extinguishing the prior sovereign's rights, though post-1945 norms under the UN Charter prohibit such acquisitions as aggressive alterations to international boundaries.^[16] ^[17] Annexation constitutes the unilateral legal act of integrating seized territory into the annexing state's domain, often consummating a conquest but distinguishable as it may occur via non-violent means like cession or purchase, whereas conquest inherently relies on forceful subjugation.^[18] For instance, the U.S. annexation of Texas in 1845 followed de facto conquest amid the Texas Revolution but was formalized through congressional joint resolution rather than ongoing battlefield dominance alone.^[18] Colonization, while frequently ensuing from conquest, emphasizes systematic settlement by the conquering population and economic exploitation through migration, differing from pure conquest's focus on political-military overlordship without mandatory demographic replacement; the Spanish conquest of the Aztec Empire in 1521 involved both immediate subjugation under Hernán Cortés and subsequent colonial settlement patterns that reshaped indigenous societies over centuries.^[19] Conquest can thus occur sans extensive colonization, as in many ancient Near Eastern campaigns where victors extracted tribute without mass relocation.^[19]

Historical Development

Ancient and Classical Conquests

The Akkadian Empire, established by Sargon of Akkad circa 2334–2279 BCE, marked the first known instance of systematic conquest forming a multi-ethnic empire, encompassing Sumerian city-states in southern Mesopotamia along with territories in Syria, Anatolia, and Elam, achieved through military innovation including standardized infantry and siege tactics.^[20] This expansion relied on Sargon's campaigns that subdued over 30 cities, integrating conquered populations via deportation and administrative centralization, though the empire fragmented after his death due to internal revolts and external pressures from Gutian invaders around 2154 BCE.^[20] Subsequent Mesopotamian powers built on this model, with the Neo-Assyrian Empire (911–609 BCE) achieving unprecedented territorial extent through relentless campaigns, conquering regions from the Levant and Egypt to Anatolia and western Iran, peaking under kings like Ashurnasirpal II (883–859 BCE) and Tiglath-Pileser III (745–727 BCE).^[21] Assyrian forces, numbering up to 120,000 in major expeditions, employed iron weapons, chariots, and psychological terror tactics such as mass deportations—estimated at over 4.5 million people relocated—to break resistance, as documented in royal annals detailing sieges like the 701 BCE campaign against Judah.^[21] The empire's collapse followed defeats by Babylonian and Median coalitions, culminating in the fall of Nineveh in 612 BCE.^[21] In the 6th century BCE, Cyrus the Great of Persia founded the Achaemenid Empire by overthrowing the Median kingdom around 550 BCE, followed by conquests of Lydia in 546 BCE and Babylonia in 539 BCE, incorporating diverse satrapies from the Indus Valley to the Aegean through a combination of military superiority and tolerant governance policies./06:_Early_Civilizations_in_the_Indian_Subcontinent/6.04:_The_Achaemenid_Empire) Darius I (r. 522–486 BCE) further expanded this domain, suppressing revolts and invading Thrace and the Indus region by 518 BCE, organizing the realm into 20–30 provinces with efficient road networks and tribute systems sustaining an army of immortals and levies./06:_Early_Civilizations_in_the_Indian_Subcontinent/6.04:_The_Achaemenid_Empire) The empire's vastness, spanning 5.5 million square kilometers, facilitated trade but strained resources, contributing to vulnerabilities exploited by later invaders.^[22] Alexander III of Macedon (336–323 BCE) rapidly dismantled the Achaemenid structure, defeating Persian forces at Granicus (334 BCE), Issus (333 BCE), and Gaugamela (331 BCE), then pushing into Central Asia and India, creating an empire from Greece to the Hydaspes River covering approximately 5.2 million square kilometers in under a decade.^[23] His phalanx-heavy army, augmented by siege engines and cavalry, overcame numerically superior foes through tactical mobility, though conquests involved brutal reprisals, such as the destruction of Thebes in 335 BCE and Persepolis in 330 BCE.^[23] Alexander's death precipitated fragmentation among his diadochi successors, limiting long-term cohesion.^[23] Roman conquests transitioned from republican expansion in Italy (completed by 264 BCE) to Mediterranean dominance via the Punic Wars (264–146 BCE), which eliminated Carthage and secured North Africa, Sicily, and Iberia, followed by eastern gains against Hellenistic kingdoms like Macedon (168 BCE) and the Seleucids.^[24] Under the Republic, generals like Marius and Sulla reformed legions for professional warfare, enabling Julius Caesar's subjugation of Gaul (58–50 BCE), adding provinces yielding millions in annual tribute.^[24] The Empire phase under Augustus (27 BCE onward) consolidated these holdings, extending to Britain (43 CE) and Dacia (106 CE), with legions enforcing control through fortified frontiers and citizenship incentives, though overextension contributed to 3rd-century crises.^[24]

Medieval and Early Modern Expansions

The medieval era featured conquests driven by feudal ambitions, nomadic expansions, and religious motivations that redrew territorial boundaries across Eurasia. The Norman Conquest of England commenced with William, Duke of Normandy's invasion in September 1066, culminating in the Battle of Hastings on October 14, where his forces defeated and killed King Harold Godwinson, enabling William's coronation as king on December 25 and the imposition of Norman feudal structures on Anglo-Saxon society.^[25] This conquest involved an invading army of approximately 7,000-8,000 men, leveraging heavy cavalry and archery to overcome English housecarls and fyrd militias, followed by campaigns that subdued northern resistance through the Harrying of the North in 1069-1070, which devastated the region to prevent rebellions.^[26] Mongol conquests under Genghis Khan, beginning with the unification of tribes in 1206, rapidly expanded through systematic campaigns of terror and mobility, incorporating regions from the Xi Xia in 1209 to the Khwarezmian Empire by 1221 and Jin China by 1234, with successor khanates invading Russia starting in 1237, sacking cities like Ryazan and Kiev.^[27] By the 1250s under Möngke Khan, the empire encompassed over 20% of the world's land area, facilitated by composite bows, heavy cavalry, and merit-based command structures that integrated conquered engineers for siege warfare.^[28] These operations resulted in massive depopulation, with estimates of 40 million deaths across campaigns, as cities resisting faced total annihilation to deter opposition.^[29] In the Iberian Peninsula, the Reconquista comprised Christian kingdoms' incremental advances against Muslim taifas, marked by the capture of Toledo in 1085 by Alfonso VI of León and Castile, which served as a strategic base for further incursions, and the decisive Battle of Las Navas de Tolosa in 1212 that shattered Almohad power.^[30] The process accelerated in the 13th century with Ferdinand III's conquest of Córdoba in 1236 and Seville in 1248, concluding with the surrender of Granada on January 2, 1492, to Ferdinand II of Aragon and Isabella I of Castile, expelling the last Nasrid emirate after a decade-long siege.^[31] This 700-year effort relied on repopulation incentives, crusading papal support, and alliances among Castile, Aragon, and Portugal, transforming al-Andalus into Christian domains while prompting Jewish and Muslim expulsions. The Ottoman conquest of Constantinople in 1453 bridged medieval and early modern phases, as Sultan Mehmed II deployed 80,000 troops and innovative ordnance, including massive bombards casting 1,200-pound stones, against Byzantine defenders numbering around 7,000 during a siege from April 6 to May 29.^[32] Breaches in the Theodosian Walls via mining and artillery enabled janissary assaults that overwhelmed the land walls, leading to Emperor Constantine XI's death and the city's sack, after which Mehmed repurposed Hagia Sophia as a mosque and integrated Greek scholars into Ottoman administration.^[33] Early modern expansions shifted toward transoceanic conquests enabled by navigational advances and gunpowder. Hernán Cortés landed near Veracruz in February 1519 with 500 Spaniards, scuttling his ships to commit to inland advance, forging alliances with Tlaxcalans against Aztec overlords, and besieging Tenochtitlán from May 1521, capturing it on August 13 amid smallpox epidemics that killed up to 40% of the population and superior steel weapons against obsidian arms. This toppled Moctezuma II's empire of 5-6 million subjects, yielding vast silver resources that funded further Spanish ventures, though reliant on indigenous auxiliaries outnumbering Europeans 10:1.^[34] Similarly, Francisco Pizarro's 1532 incursion into Inca territories exploited civil war between Atahualpa and Huáscar, capturing the former at Cajamarca with 168 men using cavalry charges and firearms, leading to Cuzco's fall by 1533 and the empire's disintegration.^[35] Portuguese forces under Afonso de Albuquerque seized Goa in 1510 and Malacca in 1511, establishing fortified entrepôts that controlled spice trade routes via naval artillery dominance.^[36] These operations integrated economic extraction with missionary zeal, though causal factors included technological asymmetries and disease vectors more than sheer military superiority.

Age of Imperialism and Colonialism

The Age of Imperialism and Colonialism encompassed a series of military conquests by European powers from the late 15th to early 20th centuries, establishing vast overseas empires through superior naval technology, firearms, and alliances with indigenous factions. Iberian powers initiated this era with the Spanish conquest of the Aztec Empire, where Hernán Cortés landed in Mexico in 1519 and, aided by thousands of Tlaxcalan allies and smallpox epidemics, captured Tenochtitlán on August 13, 1521, leading to the deaths of Emperor Moctezuma II and the empire's collapse.^[37] Similarly, Francisco Pizarro's expedition in 1532 exploited Inca civil war divisions, executing Emperor Atahualpa and conquering the empire by 1533, resulting in Spanish control over much of South America.^[38] Portuguese forces, meanwhile, seized coastal enclaves in India from 1510, such as Goa, and established Brazil as a colony following Pedro Álvares Cabral's arrival in 1500, relying on naval dominance to secure trade routes.^[39] In Asia, the British East India Company progressively expanded through conquest, marking a pivotal victory at the Battle of Plassey on June 23, 1757, where Robert Clive's 3,000 troops defeated the Nawab of Bengal's larger force via artillery superiority and betrayal by local commander Mir Jafar, granting Britain control over Bengal's revenues.^[40] This foothold enabled further annexations, including the defeat of the Maratha Confederacy by 1818 and the Sikh Empire in 1849 after the Anglo-Sikh Wars, culminating in direct Crown rule following the 1857 Indian Rebellion suppression.^[41] Dutch and French efforts paralleled this, with the Dutch securing Indonesia through the 17th-century conquests by the VOC against local sultanates, while France colonized Indochina via military campaigns from 1858 to 1885. These conquests were driven by economic motives, including resource extraction and monopoly on spices, textiles, and opium trade routes. The late 19th-century "New Imperialism" intensified in Africa during the Scramble for Africa, where European powers partitioned the continent from approximately 1881 to 1914, increasing formal control from 10% in 1870 to nearly 90% by 1914 through rapid military expeditions.^[42] The Berlin Conference of 1884–1885 formalized claims among 14 nations, averting interstate conflict while enabling conquests like Britain's occupation of Egypt in 1882 and the Mahdist War victory at Omdurman in 1898, where 52,000 British-Egyptian forces armed with Maxim guns killed 12,000 Sudanese with minimal losses.^[43] Belgium's King Leopold II claimed the Congo Free State in 1885, enforcing rule through the Force Publique's brutal campaigns that caused an estimated 10 million deaths by 1908 from violence, disease, and forced labor.^[42] France conquered Algeria from 1830 to 1870 and expanded into West Africa, while Germany seized territories like Tanganyika after suppressing the Maji Maji Rebellion in 1905–1907, which resulted in 75,000–300,000 African deaths. These operations highlighted technological disparities, including breech-loading rifles and steamships, enabling small forces to subdue larger indigenous armies often reliant on spears and outdated muskets.

20th-Century Total Wars and Annexations

The 20th century's total wars represented an intensified form of conquest, defined by the mobilization of entire societies, economies, and industrial capacities toward warfighting, often erasing distinctions between combatants and civilians while enabling large-scale territorial annexations. Total war emerged prominently in World War I (1914–1918), where belligerents conscripted around 65 million men and suffered over 37 million casualties, including approximately 16 million deaths from combat, disease, and privation.^[44] ^[45] This conflict's unprecedented scale—fueled by mechanized slaughter via machine guns, artillery, and trenches—demonstrated conquest's potential through attrition, though postwar settlements like Versailles prioritized reparations over outright annexations, fostering resentment that propelled subsequent aggressions. World War II (1939–1945) escalated total war globally, with Axis and Allied powers directing national outputs toward conquest and defense, resulting in systematic annexations alongside genocidal policies and area bombing that blurred military objectives with civilian devastation. Nazi Germany pursued Lebensraum through preemptive annexations: on March 12, 1938, it incorporated Austria via the Anschluss, renaming it the Ostmark and integrating its 7 million inhabitants into the Reich without formal resistance.^[46] The Munich Agreement of September 29, 1938, ceded Czechoslovakia's Sudetenland—home to 3 million ethnic Germans—to Germany, followed by the full dismemberment of the state in March 1939, with the Protectorate of Bohemia-Moravia established under direct control.^[47] These moves expanded German territory by over 20% before full invasion, leveraging propaganda, plebiscites, and military intimidation to legitimize conquest as reunification. The Soviet Union exploited wartime chaos for opportunistic annexations, annexing eastern Poland (about 200,000 square kilometers) after its September 1939 invasion per the Molotov-Ribbentrop Pact, displacing populations and installing communist governance.^[48] In June 1940, it occupied and annexed the Baltic states—Estonia, Latvia, and Lithuania—via ultimata, rigged elections, and forced incorporation as Soviet republics, affecting 6 million people amid mass deportations exceeding 60,000 in 1941 alone.^[49] The Winter War (1939–1940) ended with Finland ceding 11% of its territory, including Karelia, to the USSR on March 13, 1940, after 126,000 Finnish and 320,000–400,000 Soviet casualties, highlighting conquest's reliance on overwhelming numerical superiority despite logistical failures.^[48] Japan's imperial conquests in Asia prefigured Pacific total war, beginning with the Mukden Incident on September 18, 1931, which justified invading Manchuria and establishing the puppet state of Manchukuo in 1932, securing resources like coal and iron for Japan's industrialization.^[50] This expanded to full-scale war against China in July 1937, occupying key cities like Shanghai and Nanjing by 1938, with annexations formalized through client regimes; by 1941, Japan controlled vast swathes of East Asia, annexing territories via military administration until defeats in 1945 reversed gains.^[51] These 20th-century annexations, enabled by total war's logistical and propagandistic apparatuses, prioritized resource extraction and demographic engineering over mere occupation, often rationalized as anti-colonial liberation despite evidence of exploitative intent and ethnic cleansing.

Mechanisms and Strategies

Military Tactics and Technology

Military conquests have frequently depended on innovations in tactics and technology that conferred asymmetric advantages, allowing smaller or more organized forces to overpower numerically superior or less adaptable opponents. Disciplined infantry formations, mobile cavalry, and later firearm-based systems enabled attackers to breach defenses, exploit terrain, and sustain campaigns over vast distances. These developments shifted the balance toward offense in key eras, facilitating territorial expansion through decisive battlefield victories and sieges.^[52] In antiquity, Roman legions pioneered flexible tactical systems, such as the manipular and cohort formations, which integrated heavy infantry with skirmishers and auxiliaries for versatile engagements. Equipped with the gladius short sword for thrusting in tight ranks, pilum javelins to disrupt enemy shields, and large scuta shields, these units maintained cohesion under fire, enabling conquests that expanded Roman control from Britain to Mesopotamia by 117 CE. Engineering feats, including field fortifications and siege engines like ballistae, further supported assaults on fortified positions, as demonstrated in the siege of Alesia in 52 BCE.^[52]^[53] The medieval era saw the ascendancy of cavalry tactics, bolstered by stirrups, saddles, and composite bows, which permitted high mobility and ranged harassment. Mongol armies under Genghis Khan (r. 1206–1227) exemplified this through light horse archers who executed feigned retreats to lure foes into ambushes, combined with heavy lancers for breakthroughs, conquering an empire spanning 24 million square kilometers by 1279. Their merit-based command structure and logistical use of remount horses sustained long-range operations across diverse terrains from the Pacific to the Danube.^[54]^[55] Gunpowder's emergence in the 13th–14th centuries transformed siege and field warfare, with black powder propellants powering cannons and handguns that demolished stone walls and outranged traditional archery. Ottoman engineers deployed massive bombards, such as those used in the 1453 conquest of Constantinople, where a 1,200 kg stone projectile from Urban's gun breached Theodosian walls after 53 days of bombardment. European states refined this technology, achieving superior artillery accuracy and naval gunnery by the 16th century, which underpinned overseas conquests by Spain, Portugal, and later Britain.^[56]^[57] Industrial advancements in the 19th century amplified these capabilities through breech-loading rifles, machine guns like the Maxim (introduced 1884), and steam-powered logistics via railroads and ironclad ships, creating firepower disparities in colonial campaigns. British forces, for instance, used repeating rifles and gunboats to subdue African resistances, as in the 1898 Battle of Omdurman where 52 Maxim guns fired over 1 million rounds against Sudanese spearmen, resulting in 12,000 enemy casualties versus 48 British. This technological edge, rooted in Europe's sustained investment in gunpowder refinements, enabled the subjugation of technologically inferior societies across Asia and Africa./06:Imperialism-_1800-1900/6.07:_The_Role_of_Military_Technology_in_Colonial_Domination)^[58]

Economic Dimensions: Plunder and Resource Extraction

Plunder constituted a primary economic mechanism in conquest, involving the direct appropriation of movable wealth—such as precious metals, slaves, livestock, and artifacts—from defeated foes to incentivize military participation, compensate losses, and finance ongoing operations. This immediate gain contrasted with resource extraction, which entailed establishing enduring systems of tribute, taxation, forced labor, and monopolistic control over mines, lands, and trade routes to channel wealth from subjugated territories into the conqueror's core. Both practices relied on military dominance to enforce compliance, often exacerbating famines, depopulation, and economic collapse in conquered regions while fueling expansion and elite enrichment.^[59]^[60] In classical antiquity, Roman generals exemplified plunder's role; during the Gallic Wars (58–50 BCE), Julius Caesar's campaigns yielded booty sufficient to fund his legions and political ambitions, with the aggregate manubiae (war spoils) from his triumphs, including Gaul, valued at over 600 million sesterces according to Velleius Paterculus. Similarly, Alexander the Great's sack of Persepolis in 330 BCE netted immense Persian treasuries, with ancient accounts and modern estimates placing the haul at approximately 180,000 talents of gold and silver, enabling distributions to troops and sustaining the Macedonian army's logistics across Asia. These windfalls, however, proved finite, prompting transitions to provincial taxation and slave-based agriculture for sustained revenue.^[59]^[61] Medieval Mongol conquests integrated plunder with systematic extraction; Genghis Khan's forces centralized loot from raids for equitable distribution among warriors, while post-victory regimes imposed tribute on vassal states, drawing goods, services, and taxes from China and Persia to support nomadic mobility and imperial administration. The 1258 sack of Baghdad by Hulagu Khan involved wholesale looting of the Abbasid capital's wealth, alongside the slaughter of up to 200,000 inhabitants, though precise values remain undocumented; this event disrupted regional trade but enriched Mongol khanates through seized libraries, artisans, and fiscal structures.^[62] In the early modern era, European overseas conquests scaled extraction via mining; Spanish forces looted Aztec and Inca gold reserves during campaigns from 1519–1533, with total American gold inflows exceeding 100 tons by 1560, much melted from indigenous artifacts. The subsequent exploitation of the Potosí silver mountain, operational from 1545, yielded output comprising nearly 20% of global silver production through 1810, reliant on indigenous mita labor and mercury amalgamation, funding Spain's wars and trade deficits while causing demographic devastation in Andean communities.^[60]^[63]

Political Control: Subjugation and Governance

Subjugation of conquered populations typically began with immediate military measures to dismantle resistance, including the execution or exile of local leaders, disarmament of fighters, and strategic resettlement of hostile groups to prevent uprisings.^[64] In the Roman Empire, after territorial acquisition, provinces were secured through garrisons and the imposition of a census to register populations for taxation and conscription, enabling systematic oversight.^[65] Harsh reprisals against rebellion, such as mass enslavement or deportation, reinforced compliance, as seen in the Mongol Empire's practice of presenting entire conquered communities as rewards to loyal commanders, thereby incentivizing enforcement.^[64] Governance structures varied by conqueror's capacity and strategy, often balancing direct oversight with indirect delegation to minimize administrative costs. Roman provincial administration under the Republic assigned governors with consular or praetorian imperium to collect taxes, administer justice, and command legions, while allowing local elites to retain influence if they pledged loyalty and paid tribute.^[66] In imperial provinces post-27 BCE, emperors appointed legates pro praetore for closer control, yet preserved local customs and laws to foster stability, relying on a thin layer of Roman officials supplemented by indigenous auxiliaries.^[67] The Mongols employed darughachi overseers to monitor tribute and suppress dissent in distant territories, integrating conquered bureaucrats into a Yam postal-relay system for communication, while granting religious and cultural autonomy to compliant subjects.^[68] Colonial empires refined these approaches through formalized indirect rule, co-opting native hierarchies to extend control with limited metropolitan personnel. British administrators in India and Africa, as articulated by Frederick Lugard in 1922, empowered traditional rulers as intermediaries for tax collection and order maintenance, provided they aligned with imperial interests, reducing direct intervention while extracting resources efficiently.^[69] French direct rule in Algeria from 1830 imposed centralized prefectures and civil codes, dissolving local institutions to assimilate elites but alienating masses through land expropriation and forced labor.^[70] Such systems prioritized fiscal extraction—Roman provinces yielded 40% of imperial revenue by the 1st century CE—over full integration, with governance legitimacy derived from the conqueror's monopoly on violence rather than consent.^[71] Long-term control hinged on ideological and institutional adaptations, including the promotion of loyalty through citizenship grants or titles, as Romans extended ius Latii to provincial municipalities for alliance-building.^[67] Failure to adapt invited revolts, evident in the Mongol Ilkhanate's fragmentation after over-centralization alienated Persian administrators. Empirical patterns across empires indicate that hybrid governance—blending coercion with local agency—sustained control longer than pure imposition, as decentralized authority mitigated overextension while ensuring tribute flows.^[72]

Cultural and Demographic Engineering

Conquerors have utilized demographic engineering to reshape the ethnic composition of subdued regions, thereby reducing resistance and ensuring administrative loyalty through forced relocations, selective settlements, and population homogenization. This approach, evident from ancient empires onward, involved deporting indigenous elites and skilled workers while resettling loyal subjects or immigrants to dilute native majorities and foster economic integration.^[73]^[74] In the Neo-Assyrian Empire (911–609 BCE), kings implemented mass deportations as a core strategy following conquests, relocating tens of thousands from rebellious provinces like the Kingdom of Israel in 722 BCE to Assyria to dismantle national identities and supply labor for imperial projects. These policies divided communities based on state needs, replacing deportees with settlers from distant regions to secure frontiers and populate underutilized lands, with archaeological evidence from sites like Tel Dan confirming shifts in material culture indicative of such resettlements.^[75]^[76]^[77] Roman expansion employed colonial settlements, particularly veteran legions granted land in provinces such as Cisalpine Gaul and Iberia, which engineered demographic changes by introducing Italic populations and incentivizing intermarriage, thereby romanizing local elites and altering genetic ancestries as later DNA analyses reveal. This settler colonialism, formalized under figures like Julius Caesar, integrated over 100,000 veterans across the empire by the 1st century CE, promoting Latin language use and urban infrastructure to erode indigenous cultural autonomy.^[78]^[79] The Mongol Empire (1206–1368) facilitated large-scale population transfers, deploying nomadic warriors as semi-permanent garrisons and relocating artisans, administrators, and families across Eurasia to administer vast territories, with movements of Central Asians to China and Persians to Mongolia exemplifying strategic demographic redistribution for governance and tribute extraction. These migrations, totaling millions over decades, blended conqueror and conquered elements while suppressing local revolts through enforced mobility.^[80]^[81] In the Ottoman Empire, late-period policies (19th–early 20th centuries) encouraged Muslim refugee inflows from the Balkans and Caucasus—numbering over 5 million by 1914—to counterbalance Christian majorities in Anatolia, involving forced expulsions and settlements that engineered a shift toward ethnic homogeneity amid territorial losses. The early Turkish Republic extended this through the 1923 Greco-Turkish population exchange, displacing 1.6 million, as a deliberate reconfiguration to align demographics with nationalist aims.^[82]^[83] Soviet authorities under Stalin conducted ethnic deportations affecting 3–6 million people between 1930 and 1952, targeting groups like Chechens, Crimean Tatars, and Koreans for relocation to remote areas, ostensibly for security but functionally to Russify borderlands and suppress perceived disloyalty following conquests in the Caucasus and Central Asia. These operations, often resulting in 20–40% mortality, resettled ethnic Russians in vacated zones to solidify control.^[73]^[84] Cultural engineering complemented these efforts by imposing the conqueror's institutions, such as mandatory religious conversion, linguistic standardization, and centralized education systems, to erode native identities and legitimize rule. Assyrian annals document the destruction of local temples alongside deportations to sever cultural ties, while Roman edicts like the Constitutio Antoniniana (212 CE) extended citizenship to accelerate assimilation, though resistance persisted in periphery zones. Ottoman devshirme systems conscripted Christian youths for Islamization and elite service, altering generational demographics. In modern cases, Soviet Russification campaigns banned minority languages in schools post-deportation, aiming for ideological conformity. Such strategies, while effective for short-term stability, often provoked long-term insurgencies where native cohesion endured.^[75]^[85]^[82]

Impacts and Consequences

Achievements: State-Building and Civilization Spread

Conquests historically facilitated the consolidation of disparate territories into expansive states with centralized governance structures, enabling administrative efficiencies that smaller polities could not achieve. By subjugating rival entities, conquerors imposed uniform legal codes, tax systems, and bureaucracies, which fostered internal stability and resource mobilization on unprecedented scales. For instance, the integration of conquered lands often required innovative governance, such as provincial administrations that balanced local customs with imperial oversight, reducing fragmentation and promoting long-term cohesion.^[86] Alexander the Great's campaigns from 336 to 323 BCE exemplify the spread of advanced civilization through conquest, as his empire from Greece to India disseminated Hellenistic culture, blending Greek philosophy, art, and science with Persian and Egyptian elements. This fusion spurred urban development, with over 70 new cities founded, serving as hubs for trade and learning; Alexandria in Egypt, for example, became a center for scholarship, housing the Library of Alexandria that preserved and advanced knowledge in mathematics and astronomy. Hellenistic kingdoms succeeding Alexander maintained these networks, promoting cultural diffusion that elevated local technologies and administrative practices across diverse regions.^[87]^[88] Roman conquests, spanning the 3rd century BCE to the 2nd century CE, built one of history's most enduring state apparatuses, incorporating over 5 million square kilometers through systematic infrastructure that unified the Mediterranean world. Engineers constructed approximately 400,000 kilometers of roads, facilitating military logistics, commerce, and administrative control, while aqueducts supplied water to cities, supporting populations exceeding 1 million in Rome alone. These achievements extended Roman law and engineering—such as concrete usage and sanitation systems—to provinces, elevating living standards and enabling economic integration that persisted in influencing European statecraft for centuries.^[89]^[90] The Mongol Empire's expansions under Genghis Khan from 1206 onward created the largest contiguous land empire, covering 24 million square kilometers by 1279, and institutionalized state-building through merit-based administration and relay stations (yam) spanning 50,000 kilometers for rapid communication. This infrastructure enforced the Pax Mongolica, securing trade routes that doubled Silk Road commerce volumes between 1200 and 1400, disseminating technologies like gunpowder, printing, and paper from China to the West. Conquered regions benefited from standardized weights, measures, and tariffs, which minimized corruption and boosted cross-cultural exchanges in science and governance.^[91]^[92]

Costs: Human Suffering and Societal Disruption

Conquest has inflicted staggering human costs, primarily through direct combat fatalities, induced famines, mass executions, and the spread of diseases among immunologically naive populations. The Mongol invasions between 1206 and 1368 CE are estimated to have caused 30 to 40 million deaths, representing roughly 10 percent of the global population at the time, through systematic destruction of cities and agriculture in regions like Persia and China. Similarly, the European colonization of the Americas following 1492 led to a demographic collapse, with indigenous populations declining from approximately 60 million to 6 million by the mid-17th century, driven by epidemics such as smallpox (accounting for up to 90 percent of deaths), warfare, and enslavement.^[93] ^[94] These death tolls often extended beyond soldiers to civilians, including systematic atrocities like the razing of Baghdad in 1258 CE during the Mongol sack, which killed hundreds of thousands and obliterated intellectual centers, or the encomienda system in the Americas, which enforced labor extraction under conditions tantamount to slavery, exacerbating mortality from overwork and malnutrition. Enslavement compounded suffering, as seen in the Roman conquests where millions were captured and transported, disrupting kinship networks and imposing lifelong bondage that fueled internal economies but at the expense of personal autonomy and family integrity. Forced displacements, such as the Mongol depopulation of the Khwarezmian Empire or the Trail of Tears analog in colonial relocations, scattered communities and eroded traditional support systems, leading to heightened vulnerability to starvation and exposure. Societal disruption from conquest manifests in the dismantling of pre-existing political, economic, and cultural institutions, often replaced by extractive hierarchies that prioritized conqueror interests. In conquered territories, governance structures were supplanted, as in the Roman provinces where local elites were co-opted or eliminated, fostering dependency and resentment that sparked revolts like the Boudiccan Rebellion in 60-61 CE, which devastated Roman Britain temporarily but underscored underlying instability. Agricultural systems suffered irreparable damage, exemplified by the Mongol destruction of Iraq's qanats and canals in the 13th century, which caused desertification and long-term agricultural decline, reducing carrying capacity and perpetuating poverty for centuries. Cultural and knowledge losses further entrenched disruption, with libraries and temples burned—such as the House of Wisdom in Baghdad—erasing accumulated wisdom and hindering recovery, while imposed languages and religions marginalized indigenous practices, leading to identity erosion and intergenerational trauma. Economic shifts toward tribute and plunder economies destabilized trade networks, as evidenced in post-conquest Gaul where Roman taxation burdens contributed to social stratification and peasant unrest.^[95] These effects cascaded into weakened resilience against subsequent threats, with depopulated and fragmented societies struggling to rebuild cohesion, often resulting in prolonged cycles of instability rather than seamless integration.

Long-Term Legacies: Integration vs. Resistance

The long-term legacies of conquest frequently diverge based on the extent of integration between conquerors and conquered populations versus sustained resistance, shaping subsequent societal stability, economic trajectories, and cultural evolutions. In cases of successful integration, hybrid systems emerged that combined elements of both, often yielding enduring institutions and prosperity; resistance, conversely, perpetuated divisions, conflicts, and developmental lags, as evidenced by historical patterns where cultural assimilation correlated with reduced intergroup violence and enhanced infrastructure persistence.^[96] Roman conquests exemplified integration through Romanization, wherein provinces like Gaul and Hispania adopted Latin, Roman law, urban planning, and infrastructure, fostering loyalty and economic interdependence that outlasted the empire. By the 2nd century AD, local elites in these regions participated in imperial governance, with archaeological evidence showing widespread villa construction and road networks that lowered trade costs into the modern era, as Roman roads in Italian provinces demonstrably reduced medieval and early modern transportation barriers. This process, driven by incentives like citizenship grants under the Edict of Caracalla in 212 AD, integrated diverse peoples into a cohesive framework, contributing to the continuity of Roman-derived legal and administrative traditions in Europe.^[96] The Norman Conquest of England in 1066 illustrates rapid elite integration, where Norman French overlords intermarried with Anglo-Saxon nobility, evolving the English language through French vocabulary infusion and establishing feudal land tenure that underpinned parliamentary development. London's population expanded from approximately 10,000 in 1085 to over 30,000 by 1200 under Norman rule, reflecting economic incorporation via trade guilds and castle-based administration, which stabilized governance despite initial revolts. By the 12th century, this fusion produced a distinct Anglo-Norman identity, with lasting impacts on common law and centralized monarchy that facilitated England's medieval rise as a unified kingdom.^[97] In the Mongol Empire, integration varied regionally; in China under the Yuan Dynasty (1271–1368), Mongols co-opted Confucian bureaucracy and intermarried with Han elites, enabling the Pax Mongolica that boosted Silk Road commerce and disseminated technologies like gunpowder westward. Voluntary surrender allowed incorporation of local forces, reducing administrative costs and promoting cultural exchanges that influenced Eurasian demographics and innovations, though nomadic traditions limited full assimilation elsewhere.^[98] Resistance legacies often manifested in protracted insurgencies and post-conquest fragmentation, as seen in African responses to European imperialism from the 1880s onward, where ethnic groups like the Zulu under Cetshwayo in 1879 or Ethiopians at Adwa in 1896 repelled advances, preserving autonomy but incurring demographic losses exceeding 10% in some regions. In Algeria, French conquest initiated in 1830 faced persistent Berber and Arab revolts, culminating in the 1954–1962 war that killed an estimated 1.5 million Algerians, leaving ethnic cleavages that fueled civil strife in the 1990s. Such resistance, rooted in religious and tribal identities resistant to secular imposition, delayed modernization and entrenched authoritarian governance in independent states.^[99] Factors favoring integration included pragmatic governance offering security and economic gains, as in Roman client kingships or Mongol merit-based armies, whereas harsh exploitation or cultural erasure, like forced Europeanization in the Americas, provoked enduring opposition, evident in indigenous uprisings persisting into the 19th century. Empirical analyses indicate that integrated polities exhibited higher long-term GDP per capita correlates due to institutional persistence, underscoring conquest's causal role in civilizational trajectories over mere imposition.^[98]

Theoretical and Philosophical Perspectives

Realist and Evolutionary Views

In realist international relations theory, conquest emerges as a logical outcome of state behavior in an anarchic system devoid of overarching authority, where self-interested actors prioritize survival through power maximization.^[100] Classical realists, drawing from thinkers like Thucydides and Machiavelli, attribute this drive to intrinsic human propensities for dominance and fear, positing that states pursue conquest to offset vulnerabilities and secure vital resources, as unchecked weakness invites predation.^[101] Structural variants, such as neorealism, emphasize systemic incentives over individual psychology, arguing that conquest allows states to alter the balance of power, particularly when opportunities for expansion align with relative capabilities; for instance, offensive realism holds that rational great powers seek hegemony via territorial gains to minimize threats from uncertain neighbors.^[102] Empirical patterns, including historical expansions by empires like Rome or modern instances of annexation, substantiate realism's view that conquest persists because it yields measurable advantages in military projection and economic extraction, despite moral condemnations.^[103] Evolutionary perspectives frame conquest as an extension of ancestral adaptations favoring intergroup aggression for reproductive and material fitness. Human psychology, shaped by natural selection in small-scale societies, equips individuals for coalitional violence to seize territory, resources, and mating opportunities, as evidenced by ethnographic data on hunter-gatherer raids where victors absorbed or eliminated rivals' genetic lineages.^[104] Anthropological reconstructions reveal warfare's ubiquity across prehistoric contexts, with skeletal remains from sites like Jebel Sahaba (circa 13,000 BCE) showing mass violence tied to resource scarcity, suggesting conquest conferred survival edges through demographic swamping and cultural imposition.^[105] In scaled-up polities, these mechanisms persist via group selection dynamics, where conquering coalitions propagate genes and memes more effectively, explaining why expansionist strategies dominated Eurasian history from the Mongol invasions (13th century) to colonial empires, outcompeting isolationist alternatives.^[106] Bridging these paradigms, evolutionary realism integrates biological imperatives with geopolitical logic, positing that international anarchy replicates selective pressures akin to primordial environments, extinguishing states that forgo conquest in favor of restraint.^[107] Neo-Darwinian models in IR demonstrate how "reckless" expansionist policies evolve systemically, as compliant actors face absorption by aggressive peers, mirroring economic evolution where competitive predation yields dominance; simulations confirm that only conquest-tolerant regimes achieve long-term stability amid rival proliferation.^[108] This synthesis counters idealistic dismissals by grounding conquest in verifiable causal chains—from neural circuits for xenophobia to state-level power balances—rather than normative illusions, with data from conflict datasets (e.g., Correlates of War project, spanning 1816–2007) showing conquest's correlation with power shifts over pacifist diplomacy.^[109] Such views privilege observable outcomes, like the Roman Empire's consolidation of 5 million square kilometers through iterative subjugation, as evidence of adaptive efficacy over ethical abstractions.^[110]

Just War Doctrine and Moral Justifications

The Just War Doctrine, originating in Christian theology, establishes moral conditions under which resorting to armed conflict is permissible, distinguishing between jus ad bellum (criteria for justly initiating war) and jus in bello (rules for conduct during war). St. Augustine of Hippo, writing in the early 5th century, framed war as a regrettable necessity to correct grave injustices or defend against aggression, emphasizing right intention to achieve peace rather than vengeance or domination.^[111] Thomas Aquinas, in the 13th century, systematized these principles in Summa Theologiae (II-II, q. 40), requiring three core jus ad bellum elements: legitimate authority from a sovereign ruler, just cause such as self-defense or punishment of wrongdoing, and right intention aimed at remedying the injury rather than conquest for gain. These criteria implicitly constrain conquest, as unprovoked territorial expansion lacks a just cause unless tied to rectifying prior aggression or tyranny, reflecting a first-principles emphasis on proportionality and moral restraint over imperial ambition.^[112] In relation to conquest, classical Just War Doctrine permits limited forms where the act serves a remedial purpose, such as reclaiming occupied lands or subduing rulers who persistently violate natural law, but rejects it as an end in itself. Aquinas explicitly allowed war to avenge injuries or punish offenses against the common good, which medieval theorists extended to justify campaigns against perceived barbarians or heretics, as in the Reconquista where Christian forces targeted Muslim-held territories in Iberia from the 8th to 15th centuries on grounds of recovery and defense of Christendom. However, pure conquest for resources or power—evident in many historical empires—fails the right intention test, as Augustine warned against wars driven by "lust for domination" rather than love of neighbor, a caution rooted in empirical observation of Roman excesses.^[111] Source analyses from theological traditions, less prone to modern ideological biases than secular academia, underscore that such justifications often masked self-interest, with causal chains showing conquest's typical escalation from defensive claims to exploitative rule.^[113] Moral justifications for conquest under the doctrine have invoked broader civilizational or punitive rationales, contending that conquering dysfunctional societies could impose order and prevent greater harms, akin to a sovereign's right to quell internal rebellion. For instance, 16th-century Spanish theologians like Francisco de Vitoria applied Just War principles to New World expeditions, arguing that indigenous practices such as human sacrifice constituted just cause for intervention to enforce natural law, though this was contested even then for overstepping defensive bounds.^[111] Empirical data from conquest outcomes, including demographic collapses (e.g., 90% population decline in Mesoamerica post-1519 due to disease and violence), challenge retrospective moral claims by highlighting disproportionate suffering absent proportional remedy. Modern interpreters, drawing on realist traditions, sometimes defend conquest-like stabilizations (e.g., post-2003 Iraq occupation proposals) if they avert anarchy, but core doctrine prioritizes de-escalation, with violations risking moral equivalence to aggression.^[114] Academic sources adapting these views often exhibit left-leaning presumptions against Western interventions, selectively emphasizing failures while downplaying successes like state-building in historically conquered regions.^[115]

Pacifist Critiques and Utopian Alternatives

Pacifists critique conquest as an extension of war, which they regard as inherently immoral due to its reliance on violence and killing, principles they deem incompatible with human dignity and ethical conduct. Absolute pacifism, as articulated in philosophical traditions, posits that all forms of intentional violence, including offensive or defensive military actions leading to conquest, are unconditionally wrong, regardless of purported justifications such as resource acquisition or security.^[116] This stance draws from religious sources like Christian non-resistance, as emphasized by Leo Tolstoy in works critiquing state-sponsored aggression, and secular arguments that violence begets further cycles of retaliation rather than stable order.^[117] Empirical observations of conquest's aftermath—mass deaths, displacement, and resentment—reinforce pacifist claims that such methods yield pyrrhic victories at best, perpetuating instability over genuine resolution.^[118] Historical instances of pacifist opposition highlight targeted resistance to imperial conquests through non-violent means. Mohandas Gandhi's satyagraha campaign against British rule in India from 1915 to 1947 exemplified this approach, employing civil disobedience, boycotts, and mass protests to undermine colonial authority without armed uprising, contributing to India's independence amid Britain's post-World War II exhaustion.^[117] Similarly, Quaker testimonies against violence led to advocacy against aspects of colonial expansion, such as unfair treaties with Native Americans in the 18th century, though their involvement in settlements complicated full decolonization efforts.^[119] These efforts underscore pacifist arguments that moral suasion and economic disruption can erode an aggressor's legitimacy, but critics note their success often hinged on opponents' internal constraints, like democratic accountability or war fatigue, rather than inherent efficacy against unrelenting foes.^[117] Utopian alternatives to conquest envision global orders sustained by non-violent institutions and cultural shifts, eschewing military dominance for cooperative frameworks. Immanuel Kant's 1795 essay "Perpetual Peace" proposed a federation of constitutional republics bound by international law, hospitality norms, and trade interdependence to preclude conquest, arguing that democratic accountability and mutual economic benefits foster enduring peace over expansionist ambitions.^[118] Prefigurative pacifism extends this by advocating communities that model non-violence today—through disarmament, mediation bodies, and education in conflict resolution—as prototypes for a conquest-free world, as seen in movements promoting a "culture of peace" via UNESCO initiatives since 1999.^[120] Such visions prioritize testimonial practices, where documenting violence's harms builds empathy and deters aggression, positing that systemic non-violence could supplant conquest's resource extraction with equitable exchange.^[121] However, historical evidence tempers these ideals' realism: pacifist strategies have faltered against conquests driven by ideological or existential imperatives, as in the 1930s appeasement of Nazi expansion, which emboldened rather than deterred aggression, leading to World War II's 70-85 million deaths.^[117] Non-violent successes, like India's, remain outliers dependent on the conqueror's vulnerabilities, while resolute imperial powers—evident in cases from Roman expansions to 20th-century totalitarian regimes—demonstrate that utopian pacifism often yields to causal realities of power imbalances and human incentives for dominance.^[122] Proponents counter that long-term cultivation of pacifist norms could erode conquest's appeal, yet empirical data from repeated failures underscores the challenge of implementing such alternatives absent coercive deterrents.^[118]

Legal and Normative Evolution

Historical Right of Conquest

The historical right of conquest established that military victory granted the conqueror legal title to territory and sovereignty over its inhabitants, based on effective possession through force of arms. This principle underpinned territorial expansion in ancient empires, where subjugation by warfare was accepted as conferring ownership without requiring prior legal claims. In the Roman Empire, conquests such as the defeat of Carthage in the Third Punic War in 146 BCE led to the annexation of territories as provinces, integrating them into Roman dominion under the doctrine of imperium, where victorious possession justified administrative and legal control.^[123] During the medieval period in Europe, the right of conquest was a recognized basis for sovereignty transfer, as demonstrated by the Norman Conquest of England in 1066. Following William, Duke of Normandy's victory over King Harold Godwinson at the Battle of Hastings on October 14, 1066, William asserted kingship through conquest, a title affirmed by the feudal assembly at Old Sarum in 1066 and later chronicled in the Domesday Book of 1086, which cataloged lands seized and redistributed to Norman lords.^[124] This practice aligned with contemporaneous customs where battlefield success extinguished prior rulers' rights, enabling the imposition of new feudal hierarchies. Early modern international law codified the doctrine, with Hugo Grotius in De Jure Belli ac Pacis (1625) arguing that just wars entitled victors to rule over the conquered, deriving from natural law principles allowing retribution and compensation through territorial gains.^[125] Grotius distinguished this from unjust aggression, yet affirmed that effective control post-victory created prescriptive rights, influencing subsequent treaties and state practices. The principle persisted as a customary mode of acquisition until the early 20th century, exemplified in colonial expansions where European powers claimed sovereignty over subdued indigenous territories, often invoking superior force as legal justification.^[126]

Post-1945 Prohibition and International Law

The prohibition of conquest emerged as a cornerstone of post-World War II international law, marking a decisive break from historical precedents that had legitimized territorial acquisition through force. The United Nations Charter, adopted on June 26, 1945, and entering into force on October 24, 1945, enshrined this norm in Article 2(4), which mandates that all member states "refrain in their international relations from the threat or use of force against the territorial integrity or political independence of any state, or in any other manner inconsistent with the Purposes of the United Nations."^[127] This provision, reflective of customary international law, effectively criminalizes conquest by barring forcible changes to borders or sovereignty, with exceptions limited to self-defense under Article 51 or Security Council-authorized actions.^[128] The Nuremberg International Military Tribunal (1945–1946) further codified the illegality of aggressive war, which underpins conquest, by convicting Nazi leaders of "crimes against peace," defined as the planning, preparation, initiation, or waging of a war of aggression or in violation of international treaties.^[129] The tribunal's principles, affirmed by UN General Assembly Resolution 95(I) on December 11, 1946, established individual criminal responsibility for such acts, influencing subsequent codifications like the Nuremberg Principles adopted by the International Law Commission in 1950.^[130] These developments rejected the pre-1945 doctrine of conquest, under which victors could lawfully annex territory, as seen in historical treaties like the Treaty of Versailles (1919), and instead prioritized sovereign equality and territorial stability. Reinforcing the Charter's framework, UN General Assembly Resolution 3314 (XXIX), adopted on December 14, 1974, provides a non-exhaustive definition of aggression, explicitly including acts such as invasion, armed attack, bombardment, or blockade aimed at annexation or territorial acquisition by a state against another's sovereignty, territorial integrity, or political independence.^[131] This resolution guides Security Council determinations under Article 39 of the Charter and underscores that no territorial gain from aggression can confer legal title, obligating states to refrain from recognition of such conquests.^[132] Enforcement mechanisms include Security Council sanctions or authorizations for collective action, though structural limitations like permanent members' veto power have constrained consistent application, as evidenced by the body's infrequent invocations against aggressors since 1945.^[133] The norm's entrenchment extends to customary law and erga omnes obligations, prohibiting not only direct conquest but also proxy or indirect forcible acquisitions, with the International Court of Justice affirming in advisory opinions—such as the 1971 Namibia case—that effective control alone does not validate illegal territorial changes.^[134] Subsequent instruments, including the 1970 Declaration on Principles of International Law Concerning Friendly Relations, reiterate the inviolability of frontiers and non-acquisition of territory by force, solidifying a global consensus against conquest despite persistent challenges in enforcement.^[135]

Contemporary Debates and Apparent Violations

The prohibition on the acquisition of territory by force, codified in Article 2(4) of the United Nations Charter, which bars member states from the threat or use of force against the territorial integrity or political independence of any state, has been tested by several post-1945 incidents, fueling debates over its normative strength and practical enforceability.^[127] Scholarly analyses indicate that while overt territorial conquest declined markedly after 1945—dropping from routine practice to rare occurrences by the 1970s—the norm's limits became evident in cases where powerful states pursued territorial gains without full international reversal.^[136] These apparent violations often involve military occupation followed by unilateral claims of sovereignty, prompting arguments that the rule, though foundational to the post-World War II order, lacks teeth absent great power consensus or effective sanctions.^[134] One prominent example is Iraq's 1990 invasion and attempted annexation of Kuwait, justified by Saddam Hussein as a historical claim but universally condemned as aggression under UN Security Council Resolution 662, which declared the annexation null and void. A US-led coalition, authorized by Resolution 678, expelled Iraqi forces in Operation Desert Storm by February 1991, restoring Kuwait's borders and reinforcing the norm through collective action, though critics note the intervention's reliance on US hegemony rather than universal enforcement mechanisms. In contrast, Russia's 2014 annexation of Crimea—following the deployment of "little green men" (unmarked troops) and a March 16 referendum boycotted by opposition and held under occupation—has persisted without reversal, recognized de jure by only a handful of states like North Korea and Syria, while UN General Assembly Resolution 68/262, adopted March 27, 2014, by 100 votes to 11, upheld Ukraine's territorial integrity and deemed the referendum invalid. Subsequent Russian actions, including the purported annexation of Donetsk, Luhansk, Kherson, and Zaporizhzhia regions via "referendums" in September 2022 amid ongoing invasion, have intensified debates, with Moscow framing them as self-determination exercises but the international community, via UNGA Resolution ES-11/4 (October 12, 2022), condemning them as illegal attempts to alter borders by force. Legal scholars debate whether such cases erode the prohibition's jus cogens status—a peremptory norm from which no derogation is permitted—or if non-recognition and sanctions (e.g., over 15,000 EU and US measures against Russia by 2023) sustain it, though enforcement gaps highlight veto powers in the Security Council as a structural flaw.^[137] Realist perspectives contend that rising multipolarity, exemplified by Russia's defiance despite economic costs exceeding 2% of GDP annually from sanctions, signals a potential collapse of Article 2(4), as great powers prioritize strategic gains over legal restraints.^[138] Other apparent violations include China's 1950 incorporation of Tibet, involving military occupation and a 1951 "agreement" rejected by Tibetan leaders as coerced, which Beijing administers as an autonomous region but which the UN has referenced in resolutions critiquing human rights abuses without reversing the claim. India's 1961 annexation of Portuguese Goa through Operation Vijay, seizing 3,700 square kilometers after artillery bombardment, faced UNSC condemnation attempts vetoed by France and the UK, yet integrated without reversal, illustrating early post-colonial tolerance for "decolonizing" conquests.^[139] In the South China Sea, China's construction of artificial islands on seven Spratly features since 2013, militarized with runways and missiles covering over 3,200 acres, asserts "historic rights" via the nine-dash line, ruled invalid by the 2016 Permanent Court of Arbitration award favoring the Philippines, but Beijing's non-compliance raises fears of de facto conquest without formal annexation. Debates persist on whether hybrid tactics—short of full invasion—circumvent the norm, with some arguing for reinterpretations allowing "remedial" seizures in cases of failed states or ethnic kin protection, though empirical data shows successful conquests remain low, at under 10% of territorial disputes post-1945 yielding enduring gains.^[136] Critics of the norm's efficacy, including those analyzing over 200 post-1945 conflicts, note that while violations provoke diplomatic isolation (e.g., Russia's G20 marginalization), they rarely trigger military reversal absent alliances like NATO, suggesting causal realism: conquest succeeds when backed by overwhelming power disparity, as in Russia's control of 18% of Ukraine's territory by mid-2023 despite $100 billion+ in Western aid to Kyiv.^[140] Proponents counter that the doctrine's endurance lies in its delegitimizing effect, preventing normalized expansionism—evidenced by no major power openly endorsing conquest as lawful since 1945—and fostering alternatives like arbitration, though rising tensions (e.g., over Taiwan) test this, with surveys of international lawyers showing 70% viewing the prohibition as customary law binding even non-UN members.^[141] These debates underscore a tension between legal idealism and geopolitical reality, where apparent violations expose enforcement asymmetries but affirm the norm's role in constraining outright imperial revanchism.^[142]

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May 1, 2004 · 1492: Columbus lands on an island, what is probably now called the Dominican Republic. 1502: Moctezuma II becomes tlatoani, ruler of Tenochtitlan and a vast ...
[38]
Timeline: Conquistador - World History Encyclopedia
Timeline: 1465 - 1524 Life of the conquistador Diego Velázquez de Cuéllar who conquered and then governed Cuba.
[39]
Indian Timeline (1510-1947 A.D.) - The Latin Library
1510: Portuguese Catholics conquer Goa to serve as capital of their Asian maritime empire, beginning conquest and exploitation of India by Europeans.
[40]
A Timeline of India in the 1800s (British Raj) - ThoughtCo
Jun 30, 2018 · In the 1800s, Britain's power in India grew until the major mutiny of 1857-58 changed things. ... The Moguls (or Mughals) conquered most of ...1600s: The British East... · 1600s: The Mogul Empire At... · 1800s: ``the Raj'' Entered...<|separator|>
[41]
British Empire—British India - Heritage History
Britain continued to bring more of India under its sway. In some case, as in the Mysore Wars against Tipu Sultan, they conquered a Nawab and annexed his region.Missing: key | Show results with:key
[42]
Scramble For Africa: History, Berlin Conference, Outcome, & Facts
Apr 19, 2022 · The Scramble for Africa is generally defined as the period between 1881 and 1914 that saw European powers increase their stake in Africa from around 10 percent ...
[43]
The scramble for Africa - The British Empire - KS3 History - BBC
At the Berlin Conference in 1884, the USA, the Ottoman Empire and 12 European countries divided up most of the African continent between them. This is known as ...
[44]
World War I: A Total War? - OER Project
Some 65,000,000 men were mobilized between 1914 and 1918. While not all saw frontline service, the casualty rate (killed, wounded, and missing in action as a ...Missing: statistics | Show results with:statistics
[45]
How Many People Died in WW1? A Look at the Numbers - History
Over 16 million people died in WW1, with total casualties around 37 million. The Allies had 6 million deaths, Central Powers 4 million, and 2 million from ...
[46]
Germany annexes Austria | March 12, 1938 - History.com
Feb 9, 2010 · On March 12, 1938, German troops march into Austria to annex the German-speaking nation for the Third Reich.<|separator|>
[47]
World War II Dates and Timeline - Holocaust Encyclopedia
September 29, 1938 Germany, Italy, Great Britain, and France sign the Munich agreement which forces the Czechoslovak Republic to cede the Sudetenland, including ...
[48]
Soviet Territorial Annexations - Seventeen Moments in Soviet History
The Soviet Union annexed eastern Poland, Finnish Karelia, Baltic states, Bessarabia, and northern Bukovina.Missing: II | Show results with:II
[49]
Annexation of the Baltic States - World War II Database
The Soviet Union annexed the Baltic states from June 15 to August 9, 1940, after pressure, fixed plebiscites, and then Lithuania, Latvia, and Estonia joined ...
[50]
History - World Wars: Japan's Quest for Empire - BBC
Mar 30, 2011 · When the Japanese Kwantung Army (also known as the Guandong Army) contrived to invade Manchuria on 18 September 1931, it unleashed military and ...
[51]
Invasion of Manchuria | Harry S. Truman
Seeking raw materials to fuel its growing industries, Japan invaded the Chinese province of Manchuria in 1931. By 1937 Japan controlled large sections of China, ...
[52]
Tactics - Roman Legion, Strategy, Warfare - Britannica
Roman legions used a checkerboard formation, short swords, javelins, light troops for screening, and a well-rehearsed command system. They later added cavalry ...
[53]
Formations of the Legion | Strategy & Tactics - The Roman Military
The entire foundation of Roman infantry tactics was the idea that by keeping troops in order, one could fight more effectively.
[54]
Technological Developments in the Mongol Empire
Military innovation was revolutionary during the reign of Genghis Khan in the Mongol Empire. He won pivotal battles using his distinct military scare tactics.
[55]
The Mongol Conquests - Asia for Educators - Columbia University
One particularly effective tactic Chinggis liked to use was the feigned withdrawal: Deep in the throes of a battle his troops would withdraw, pretending to have ...Missing: cavalry | Show results with:cavalry
[56]
Military technology - Cavalry, Warfare, Tactics - Britannica
The beginning of the age of cavalry in Europe is traditionally dated to the destruction of the legions of the Roman emperor Valens by Gothic horsemen.
[57]
[PDF] Why Was It Europeans Who Conquered the World?
They used this gunpowder technology to wage war at home and to establish outposts abroad. The result was that by 1800 Europeans had conquered some 35 percent ...
[58]
Why Was It Europeans Who Conquered the World?
Aug 22, 2012 · Political incentives and military conditions then explain why the rest of Eurasia fell behind Europeans in developing the gunpowder technology.
[59]
Caesar's Profits in Gaul (Appendix 1)
Velleius claims that manubiae evaluated at more than HS 600,000,000 were carried in his five triumphs (2.56.2). The sums are enormous (compare the annual ...
[60]
The Gold of the Conquistadors - World History Encyclopedia
Jul 25, 2022 · The Iberian conquistadors ("conquerors") were the first military... The Silver of the Conquistadors. Article. The Silver of the Conquistadors.
[61]
How much did Alexander the Great loot from his conquests? - Quora
Dec 5, 2022 · When Alexander the Great conquered the Persian Empire and their treasury at Persepolis, he had 180,000 talents of gold. A talent was roughly 57 ...
[62]
Baghdad Sacked by the Mongols | History Today
Feb 2, 2008 · When it surrendered, the Mongols looted it and slaughtered thousands of the inhabitants – more than 200,000, according to Hülegü's own estimate.
[63]
Potosí and its Silver: The Beginnings of Globalization - SLDinfo.com
Dec 13, 2020 · Between 1545 and 1810 Potosi's silver contributed nearly 20% of all known silver produced in the world across 265 years.
[64]
https://www.britannica.com/place/Mongol-empire
[65]
Roman Provincial Administration and Resistance in the Early ...
Apr 9, 2020 · Specifically, in my project, I look at how institutions such as taxation, the provincial census, and conscription were implemented and conducted ...
[66]
Provincial governorship in ancient Rome - IMPERIUM ROMANUM
Feb 27, 2021 · In practice, the administration of the imperial provinces was exercised by legates (the so-called Legati Augusti pro praetore) who were freely ...
[67]
Province | Origins, Administration & Expansion - Britannica
Roman provincial government allowed for considerable local autonomy. Roman officials were few and, particularly in the eastern provinces, relied heavily ...
[68]
Conquest and governance | The Mongols - Oxford Academic
The Mongols devised a tax system, began to set up governmental institutions, and built a capital, all of which were required if they were to govern the lands ...
[69]
Stabilization Lessons from the British Empire
Nov 10, 2022 · A review of the operational principles of British colonialism may offer some valuable lessons for how to successfully conduct state-building interventions.
[70]
Colonial Government - an overview | ScienceDirect Topics
Colonial government is defined as a system of administration in a colony that can involve direct rule through a bureaucratic structure or indirect rule by ...
[71]
Provincial Government of the Roman Empire - UNRV.com
The Roman Empire consisted of a number of geographic territories known as provinces, each of which was governed by a provincial governor.
[72]
[PDF] Stabilization lessons from the British Empire - Knowledge Base
Abstract: This paper reviews the basic principles of British colonialism, not to condone its evils, but to understand how it was able to establish stable ...
[73]
Demographic Engineering and International Conflict: Evidence from ...
Apr 16, 2019 · We predicted that the timing of demographic engineering is shaped by the onset of hostile relations between two contiguous states but its ...Historical Context · Data · Conclusion
[74]
Mass deportation: the Assyrian resettlement policy - Oracc
Apr 23, 2024 · The Assyrian resettlement policy divided existing communities into those who had to stay and those who had to leave, according to the needs of the state.
[75]
Neo-Assyrian Deportation and the Levant - ANE Today
Feb 16, 2021 · In the Assyrian sources, every instance of deportation is presented as a response to rebellion, a punishment for opposing the divinely ordained ...
[76]
Assyria's deportation policy in light of the archaeological evidence ...
It is the aim of this paper to explore material culture manifestations of imperial deportations through the case study of Tel Dan in the Neo-Assyrian period.
[77]
Deportation in the Levant in the Age of Assyrian Hegemony
The Assyrian state is said to have deported people because it wanted to secure more laborers, populate strategic locations, quash resistance, or realize some ...
[78]
The Changing Face of Cisalpine Identity - Wiley Online Library
Jan 8, 2016 · Three centuries of Roman conquest, demographic engineering, and material change are described. The result was a change in Roman percipience ...
[79]
[PDF] Colonial landscapes : demography, settlement organization and ...
Jan 12, 2025 · This book has critically analysed the evidence for the organization of Roman colonial territories in the period before the Gracchi.
[80]
https://www.degruyter.com/document/doi/10.1515/9780824847890-009/pdf
[81]
Six Population Movements in Mongol Eurasia - DOI
Nov 17, 2016 · Three distinct types of movements can be identified: (1) the initial military deployments that were themselves migrations entailing the ...
[82]
Forced Population Movements in the Ottoman Empire and the Early ...
This article uses the concept of “demographic engineering” for the purpose of analyzing forced migration in the Ottoman Empire and early Turkish Republic.
[83]
Demographic engineering in the late Ottoman empire and the ...
During this phase, the Ottoman territories became a shelter for thousands of Muslims forced to migrate from the Balkans and Caucasia by the newly emerged nation ...
[84]
Mass Deportations, Ethnic Cleansing, and Genocidal Politics in the ...
This article addresses the main specificities of the great episodes of deportation and ethnic cleansing in the later Russian Empire and in the Soviet Union.
[85]
Assyrian conquest and ruralization: unveiling territorial dynamics in ...
May 23, 2024 · On one side there are those who propose that the Assyrians were mainly interested in deporting the population out of the conquered territories, ...
[86]
STATE-BUILDING, CONQUEST, AND ROYAL SOVEREIGNTY IN ...
Feb 10, 2021 · The fact that many states had secured territory through conquest during the Napoleonic Wars and at the Congress of Vienna only steeled the ...Missing: achievements | Show results with:achievements
[87]
The Hellenistic World: The World of Alexander the Great
Nov 1, 2018 · As Alexander campaigned, he spread Greek thought and culture in his wake, thus "hellenizing" (to make 'Greek' in culture and civilization) those ...
[88]
Alexander the Great & Hellenism | History & Conquests - Lesson
The Spread of Hellenism Upon his death in 323 BCE, Alexander the Great presided over a vast empire stretching from Greece to Pakistan, which blended Persian ...Alexander the Great and... · The Rise of Alexander · Alexander's Conquests
[89]
Explore the History and Significance of Roman Roads
Overall, the Roman road system served as a crucial infrastructure that facilitated trade, communication, and cultural exchange throughout the vast territories ...<|separator|>
[90]
Ancient Rome offered its conquered subjects a "good deal": We'll ...
Sep 19, 2022 · Ancient Rome offered its conquered subjects a "good deal": We'll give you ports, roads, sewers, aqueducts, hook you into our wealth-building global trade ...
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https://oxfordre.com/asianhistory/display/10.1093/acrefore/9780190277727.001.0001/acrefore-9780190277727-e-15
[92]
2.2 The Mongol Empire and the Making of the Modern World
The Mongols thundered out of the grasslands to conquer territories from China to Eastern Europe, reshaping global connections and forever changing the course of ...
[93]
'Great Dying' in Americas disturbed Earth's climate | UCL News
Feb 1, 2019 · Over the 100 years after European arrival, the indigenous population of the Americas dropped from 60 million to only 6 million, due to waves of ...
[94]
Earth system impacts of the European arrival and Great Dying in the ...
Mar 1, 2019 · Estimates European arrival in 1492 lead to 56 million deaths by 1600. •. Large population reduction led to reforestation of 55.8 Mha and 7.4 Pg ...
[95]
The Roman Republic (article) | Rise of Rome - Khan Academy
Military expansion drove economic development, bringing enslaved people and loot back to Rome, which in turn transformed the city of Rome and Roman culture.
[96]
Romanisation: The Process of Becoming Roman - BBC
Feb 17, 2011 · Why were conquered populations from northern Britain to the Middle East such willing adopters of Roman ways? Did the process work both ways and ...
[97]
How the Norman conquest changed London
The Norman conquest brought new people. London's population grew under the Normans from around 10,000 in 1085 to over 30,000 by 1200. Unfortunately, the city ...
[98]
The Chinggis Exchange: the Mongol Empire and Global Impact on ...
The Mongols attempted to destroy the enemy's command structure. This was carried out by harrying the enemy leaders until they dropped. Chinggis Khan first ...
[99]
African Resistance to European Imperialism | Conflicts & Effects
Learn about African history during European Imperialism and colonization. Explore resistance movements in across the continent including Ethiopia and Nigeria.
[100]
Political Realism in International Relations
Jul 26, 2010 · International relations realists emphasize the constraints imposed on politics by the nature of human beings, whom they consider egoistic, and ...
[101]
Introducing Realism in International Relations Theory
Feb 27, 2018 · Realism is a school of thought that emphasises the competitive and conflictual side of international relations.
[102]
Realism, reckless states, and natural selection - Sage Journals
Dec 4, 2022 · This paper maintains that the problem lies in their shared assumption that states pursue security. Tracing neorealism's roots in evolutionary economics.
[103]
The evolution of offensive realism | Politics and the Life Sciences
Offensive realism, a theory of international relations, holds that states are disposed to competition and conflict because they are self-interested, ...
[104]
The Evolutionary Psychology of War: Offense and Defense in the ...
While Sun Tzu considered offense the more effective form of warfare, Clausewitz argued that defense was the easier strategic position. Of course, Sun Tzu and ...
[105]
The evolutionary anthropology of war - ScienceDirect.com
Evolutionary anthropologists seek to understand the evolution of warfare across multiple timescales, from the roots of warfare in the intergroup aggression.
[106]
Evolutionary psychology and warfare. - APA PsycNet
This chapter explores and integrates several of the core frameworks that have emerged to explain the human practice of inter-group violence.
[107]
Bringing in Darwin: Evolutionary Theory, Realism, and International ...
Realists offer various reasons why states are driven by self-interest and a desire to dominate others. Classical realists grounded their explanations in ...
[108]
[PDF] Evolution and Neo-Realism - UC Berkeley Law
Neo-realists rely importantly on the assumption that a nation-state must either conduct a rational, self-interested foreign policy or face extinction.
[109]
An evolutionary perspective on the current wars
Jul 14, 2025 · From an evolutionary perspective, triggers that instigate conflict are not random. In addition to those that revolve around acquiring and ...
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https://www.tandfonline.com/doi/full/10.1080/09636412.2024.2442372
[111]
Just War Theory | Internet Encyclopedia of Philosophy
Just war theory deals with the justification of how and why wars are fought. The justification can be either theoretical or historical.
[112]
[PDF] Historical Just War Theory up to Thomas Aquinas Rory Cox
In the. Greco-Roman tradition the justification for waging war stemmed in large part from the natural law principle that everything possessed a right to self- ...
[113]
Practical Just War: St. Augustine & His Framing of Just War Theory
Oct 13, 2024 · This paper aims to analyze Augustine's contributions to just war theory, framing them as a specific refutation of pacifism.
[114]
Jus ad Bellum | Beyond Intractability
Having just cause is often thought to be the most important condition of just war.[4] Many hold that the only just cause for war is self-defense against ...<|separator|>
[115]
The Myth of Jus ad Bellum–Jus in Bello Purity - Lieber Institute
Jul 2, 2025 · The separation of jus ad bellum (the law governing the right to go to war) and jus in bello (the law governing conduct in war) is frequently treated as dogma.Missing: criteria | Show results with:criteria
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Pacifism - Internet Encyclopedia of Philosophy
The best place to begin an analysis of pacifism is with the absolutist argument that all forms of violence, war, and/or killing are unconditionally wrong. The ...General Pacifism · Killing · The Ethics of Pacifism · Absolute PacifismMissing: conquest | Show results with:conquest
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Pacifism | History, Justifications, Criticism, & Types - Britannica
Oct 3, 2025 · Pacifism, the principled opposition to war and violence as a means of settling disputes. Pacifism may entail the belief that the waging of war by a state and ...
[118]
Pacifism - Stanford Encyclopedia of Philosophy
Jul 6, 2006 · In contrast to the just war tradition, pacifism rejects war as an acceptable means for obtaining peace. Pacifists will often refuse to serve in ...Defining Peace · Varieties of Pacifism · Consequentialist PacifismMissing: conquest | Show results with:conquest
[119]
[PDF] What Would it Take to Decolonize the “Quaker Peace Testimony”?
I have been looking for a sign that quakers in the USA recog- nized and opposed the oppression that comes with colonialism.6. All indications prior to 2010 are ...
[120]
Peace as a Minor, Grounded Utopia: On Prefigurative and ...
Jun 25, 2019 · I propose that peace, in at least some of its guises, can be described as a minor, grounded utopia; it is a desire for an alternative future without war and ...
[121]
Pacifist utopias: humanitarianism, tragedy and complicity in the ...
Mar 24, 2021 · This paper examines the relationship between war, peace and utopia, by focusing on the ethical conflicts of opposing violence.
[122]
The Failure of Pacifism and the Success of Nonviolence
May 21, 2013 · On its own terms, it might be argued that pacifism has failed because it has not eliminated war and violence from human life. However, even the ...
[123]
Conquest | The Roman Empire: A Very Short Introduction
'Conquest' looks at the brutal process of imperial establishment and expansion, and at the Romans' sense of their own imperial mission.Missing: doctrine | Show results with:doctrine
[124]
1066 and the Norman Conquest | English Heritage
Find out all about the Battle of Hastings, learn about the momentous events of 1066, and discover how the Norman Conquest transformed England.
[125]
Right to Rule over the Conquered - LONANG Institute
The Law of War and Peace (1625). by Hugo Grotius. BOOK 3, CHAPTER 8. On the Right to Rule Over the Conquered. I. By war also civil authority is acquired ...
[126]
[PDF] Rights of Conquest, Discovery and Occupation, and the Freedom of ...
This paper has traced the historical and socio-economic origins of three traditional international law principles – the right of conquest, the right of ...
[127]
United Nations Charter (full text)
Article 2. The Organization and its Members, in pursuit of the Purposes ... Article 4. Membership in the United Nations is open to all other peace-loving ...
[128]
Regulating Military Force Series – The Meaning of Prohibited “Use ...
Mar 1, 2024 · The prohibition of the use of force in Article 2(4) of the UN Charter and customary international law is a cornerstone of the modern international legal system.Missing: conquest | Show results with:conquest
[129]
The Nuremberg Trial and the Tokyo War Crimes Trials (1945–1948)
The tribunal found nineteen individual defendants guilty and sentenced them to punishments that ranged from death by hanging to fifteen years' imprisonment.
[130]
Affirmation of the Principles of International Law recognized by the ...
Crimes against peace are defined in Principle VI (a) as “(i) planning, preparation, initiation or waging a war of aggression or a war in violation of ...
[131]
[PDF] definition of aggression general assembly resolution 3314 (xxix)
Aggression is the use of armed force by a State against the sovereignty, territorial integrity or political independence of another State, or in any other ...
[132]
Annexation is a flagrant violation of international law, says UN ...
Jun 20, 2019 · “International law is very clear: annexation and territorial conquest are forbidden by the Charter of the United Nations,” said Michael Lynk.
[133]
[PDF] International Responses to Territorial Conquest - Scholarly Commons
The United Nations Charter bans the use or threat of force as a tool of international relations, even when used to rectify prior injustices. The sole exception ...<|separator|>
[134]
[PDF] The Prohibition of Annexations and the Foundations of Modern ...
Oct 31, 2023 · ABSTRACT. The international legal norm that prohibits forcible annexations of territory is foundational to modern international law.
[135]
The Development of Territorial Norms and the Norm against Conquest
We analyze the norm against conquest and trace its history from earlier centuries where territorial conquest was legal and standard behavior to the 1945 ...
[136]
The Evolution of Territorial Conquest After 1945 and the Limits of the ...
Jun 17, 2020 · Past studies conclude that a territorial integrity norm caused territorial conquest to decline sharply after 1945, virtually subsiding after 1975.
[137]
Is the Prohibition of Forcible Annexations of Territory a Jus Cogens ...
May 2, 2024 · The prohibition on the acquisition of territory through the use of force is a necessary corollary of both the sovereign equality of States and ...
[138]
Is the Prohibition on the Use of Force Collapsing?
Aug 26, 2025 · Article 2(4) of that document declares: “All Members shall refrain in their international relations from the threat or use of force against the ...
[139]
https://geopoliticalmonitor.com/why-is-the-post-ww2-non-annexation-norm-weak/
[140]
[PDF] Has Russia Killed Article 2(4)? Evaluating the Effectiveness of the ...
Apr 25, 2024 · 15 Prior to that, the NATO intervention in Kosovo was also claimed to be an example of the failing of the Charter.16 In a similar vein now, ...
[141]
The Prohibition of Annexations is Foundational to the World Order
Feb 12, 2025 · Some argue that annexations are unlawful because they result from unlawful uses of force. Likewise, the end of the doctrine of conquest—which ...
[142]
International Responses to Territorial Conquest - Scholarly Commons
The prohibition on territorial conquest is a cornerstone of the international legal order. The United Nations Charter bans the use of force as a tool of ...