139-601: German-occupied Poland during World War II consisted of two major parts with different types of administration. The Polish areas annexed by Nazi Germany following the invasion of Poland at the beginning of World War II—nearly a quarter of the entire territory of the Second Polish Republic —were placed directly under the German civil administration. The official term used by the Nazi authorities for these areas
278-659: A Neutrality Pact in April 1941, and Japan adopted the doctrine of Nanshin-ron , promoted by the Navy, which took its focus southward and eventually led to war with the United States and the Western Allies. In Europe, Germany and Italy were becoming more aggressive. In March 1938, Germany annexed Austria , again provoking little response from other European powers. Encouraged, Hitler began pressing German claims on
417-578: A cautious French probe into the Saarland . The Western Allies also began a naval blockade of Germany , which aimed to damage the country's economy and war effort. Germany responded by ordering U-boat warfare against Allied merchant and warships, which would later escalate into the Battle of the Atlantic . On 8 September, German troops reached the suburbs of Warsaw . The Polish counter-offensive to
556-601: A "vicious and reactionary fascist clique". Field Marshal Mannerheim and Väinö Tanner , the leader of the Finnish Social Democratic Party , were targeted for particular scorn. When Stalin gained absolute power through the Great Purge of 1938, the Soviets changed their foreign policy toward Finland and began to pursue the reconquest of the provinces of Tsarist Russia that had been lost during
695-678: A Soviet plan to annex Finland. Rather, the objective was to gain Finnish territory and to reinforce Soviet influence in the region. Another American historian Stephen Kotkin also shares the position that the Soviet Union did not aim for annexation. He points out the different treatment Finland was given, compared to the Baltics: unlike the pacts of mutual assistance that the Baltics were pressured into, resulting in their total Sovietization,
834-620: A celebratory piece of music from Dmitri Shostakovich , Suite on Finnish Themes , intended to be performed as the marching bands of the Red Army paraded through Helsinki. The Soviets were confident that the Western powers would not come to Finland's aid. Ivan Maisky, the Soviet ambassador to the UK, said: "Who would help? The Swedes? The British? The Americans? There's no way in hell. There will be
973-705: A full Soviet conquest. Finland repelled Soviet attacks for more than two months and inflicted substantial losses on the invaders in temperatures as low as −43 °C (−45 °F). The battles focused mainly on Taipale along the Karelian Isthmus , on Kollaa in Ladoga Karelia and on Raate Road in Kainuu , but there were also battles in Salla and Petsamo in Lapland . Following the initial setbacks,
1112-690: A fuss in the press, moral support, moaning and whining. But troops, aircraft, cannons, and machine guns – no." Hungarian historian István Ravasz wrote that the Soviet Central Committee had set out in 1939 that the former borders of the Tsarist Empire were to be restored, including Finland. American political scientist Dan Reiter stated that the Soviets "sought to impose a regime change " and thus "achieve absolute victory". He quoted Molotov, who had commented in November 1939 on
1251-510: A loss of prestige after having made them public. However, the Soviet offer was eventually rejected with respect to the opinion of the public and Parliament. At the meeting on 9 November, Paasikivi announced to the attending Stalin and Molotov the Finnish refusal to accept even their reduced demands. The Soviets were visibly surprised. Finnish Foreign Minister Vaino Tanner later wrote that "the eyes of our opposite numbers opened wide". Stalin had asked "You don't even offer Ino?" This would become
1390-404: A maximalist demand, ready to be traded down smaller. The Soviets instead had stressed the minimalist nature of their demands, and were incredulous over Finnish reluctance to agree. Finally, there was also Stalin's unwillingness or inability to accept that any territorial concessions on the part of Finland would have only been possible by a 4/5th majority in the Finnish parliament. He had mocked such
1529-548: A meeting with military historians that the Soviets had launched the Winter War to "correct mistakes" made in determining the border with Finland after 1917. Opinion on the scale of the initial Soviet invasion decision is divided. The puppet Finnish communist government and the Molotov–Ribbentrop Pact's secret protocol is used as proof that the Soviet Union had intended to conquer all of Finland. On 1 December 1939,
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#17327657859881668-563: A minor presence in national politics and never had more than 14 seats of the 200 in the Finnish Parliament . By the late 1930s, the export-oriented Finnish economy was growing and the nation's extreme political movements had diminished. After Soviet involvement in the Finnish Civil War in 1918, no formal peace treaty was signed. In 1918 and 1919, Finnish volunteers conducted two unsuccessful military incursions across
1807-673: A narrow-front assault right on the Karelian isthmus. Additionally, Shaposhnikov argued for a fuller build-up, extensive fire support and logistical preparations, a rational order of battle and the deployment of the army's best units. Zhdanov's military commander, Kirill Meretskov , reported, "The terrain of coming operations is split by lakes, rivers, swamps, and is almost entirely covered by forests.... The proper use of our forces will be difficult". These doubts were not reflected in Meretskov's troop deployments, and he publicly announced that
1946-608: A possible German invasion through Finland. He stated that "the strongest argument" against a Soviet intention of full conquest is that it did not happen in either 1939 or during the Continuation War in 1944 even though Stalin "could have done so with comparative ease". Bradley Lightbody wrote that the "entire Soviet aim had been to make the Soviet border more secure". In 2002, Russian historian A. Chubaryan stated that no documents had been found in Russian archives that support
2085-524: A pretext to initiate the invasion. The first German attack of the war came against the Polish defences at Westerplatte . The United Kingdom responded with an ultimatum for Germany to cease military operations, and on 3 September, after the ultimatum was ignored, Britain and France declared war on Germany. During the Phoney War period, the alliance provided no direct military support to Poland, outside of
2224-728: A pretext to worsen relations. On 29 August, Hitler demanded that a Polish plenipotentiary immediately travel to Berlin to negotiate the handover of Danzig , and to allow a plebiscite in the Polish Corridor in which the German minority would vote on secession. The Poles refused to comply with the German demands, and on the night of 30–31 August in a confrontational meeting with the British ambassador Nevile Henderson , Ribbentrop declared that Germany considered its claims rejected. On 1 September 1939, Germany invaded Poland after having staged several false flag border incidents as
2363-406: A reason. He claimed that Stalin had little hope for such a deal but would play for time for the ongoing mobilisation. He stated the objective as being to secure Finland from being used as a staging ground by means of regime change. Others argue against the idea of a complete Soviet conquest. American historian William R. Trotter asserted that Stalin's objective was to secure Leningrad's flank from
2502-431: A requirement, proposing that they count his and Molotov's votes, too. On 26 November 1939, an incident was reported near the Soviet village of Mainila , near the border with Finland. A Soviet border guard post had been shelled by an unknown party resulting, according to Soviet reports, in the deaths of four and injuries of nine border guards. Research conducted by several Finnish and Russian historians later concluded that
2641-475: A secret protocol that defined German and Soviet "spheres of influence" (western Poland and Lithuania for Germany; eastern Poland , Finland, Estonia , Latvia and Bessarabia for the Soviet Union), and raised the question of continuing Polish independence. The pact neutralised the possibility of Soviet opposition to a campaign against Poland and assured that Germany would not have to face the prospect of
2780-657: A similar pact and rejected ceding part of its territory to the Soviet Union. The Soviet Union invaded Finland in November 1939, and was subsequently expelled from the League of Nations for this crime of aggression. Despite overwhelming numerical superiority, Soviet military success during the Winter War was modest, and the Finno-Soviet war ended in March 1940 with some Finnish concessions of territory . In June 1940,
2919-531: A two-front war, as it had in World War I. Immediately afterwards, Hitler ordered the attack to proceed on 26 August, but upon hearing that the United Kingdom had concluded a formal mutual assistance pact with Poland and that Italy would maintain neutrality, he decided to delay it. In response to British requests for direct negotiations to avoid war, Germany made demands on Poland, which served as
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#17327657859883058-604: The Anglo-German Naval Agreement and the German–Polish declaration of non-aggression . The situation became a crisis in late August as German troops continued to mobilise against the Polish border. On 23 August the Soviet Union signed a non-aggression pact with Germany, after tripartite negotiations for a military alliance between France, the United Kingdom, and Soviet Union had stalled. This pact had
3197-689: The British Empire , with fighting in the Balkans , Mediterranean, and Middle East , the aerial Battle of Britain and the Blitz , and naval Battle of the Atlantic . Through a series of campaigns and treaties, Germany took control of much of continental Europe and formed the Axis alliance with Italy , Japan , and other countries. In June 1941, Germany led the European Axis in an invasion of
3336-731: The East Karelian uprising in Russia in 1921, and Finnish communists in the Soviet Union continued to prepare for revenge and staged a cross-border raid into Finland, the Pork Mutiny , in 1922. In 1932, the Soviet–Finnish Non-Aggression Pact was signed between both countries, and it was reaffirmed for ten years in 1934. Foreign trade in Finland was booming, but less than 1% of it was with the Soviet Union. In 1934,
3475-581: The German Revolution of 1918–1919 , and a democratic government, later known as the Weimar Republic , was created. The interwar period saw strife between supporters of the new republic and hardline opponents on both the political right and left. Italy, as an Entente ally, had made some post-war territorial gains; however, Italian nationalists were angered that the promises made by the United Kingdom and France to secure Italian entrance into
3614-853: The German invasion of Poland and the United Kingdom and France 's declaration of war on Germany two days later on 3 September 1939. Dates for the beginning of the Pacific War include the start of the Second Sino-Japanese War on 7 July 1937, or the earlier Japanese invasion of Manchuria , on 19 September 1931. Others follow the British historian A. J. P. Taylor , who stated that the Sino-Japanese War and war in Europe and its colonies occurred simultaneously, and
3753-503: The Gulf of Finland along the seaward approaches to Leningrad, but Finland refused. Negotiations continued throughout 1938 without results. The Finnish reception of Soviet entreaties was decidedly cool, as the violent collectivisation and purges in Stalin's Soviet Union resulted in a poor opinion of the country. Most of the Finnish communist elite in the Soviet Union had been executed during
3892-487: The Hanko Peninsula for 30 years and to permit the Soviets to establish a military base there. In exchange, the Soviet Union would cede Repola and Porajärvi from Eastern Karelia (2120 square miles), an area twice the size as that of the territory demanded from Finland (1000 square miles). The Soviet offer divided the Finnish government: Gustaf Mannerheim had argued for an agreement, being pessimistic of
4031-576: The Italian mainland , and Allied offensives in the Pacific—cost the Axis powers their initiative and forced them into strategic retreat on all fronts. In 1944, the Western Allies invaded German-occupied France at Normandy , while the Soviet Union regained its territorial losses and pushed Germany and its allies westward. At the same time, Japan suffered reversals in mainland Asia, while the Allies crippled
4170-553: The Japanese Navy and captured key islands . The war in Europe concluded with the liberation of German-occupied territories ; the invasion of Germany by the Western Allies and the Soviet Union, culminating in the fall of Berlin to Soviet troops; Hitler's suicide ; and the German unconditional surrender on 8 May 1945 . Following the refusal of Japan to surrender on the terms of the Potsdam Declaration ,
4309-695: The League of Nations as a force to preserve peace. Both Italy and Ethiopia were member nations, but the League did little when the former clearly violated Article X of the League's Covenant . The United Kingdom and France supported imposing sanctions on Italy for the invasion, but the sanctions were not fully enforced and failed to end the Italian invasion. Italy subsequently dropped its objections to Germany's goal of absorbing Austria . When civil war broke out in Spain, Hitler and Mussolini lent military support to
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4448-666: The Leningrad Military District Kiril Meretskov initially ran the overall operation against the Finns. The command was passed on 9 December 1939 to the General Staff Supreme Command (later known as Stavka ), directly under Kliment Voroshilov (chairman), Nikolai Kuznetsov , Stalin and Boris Shaposhnikov. On 28 December, when Stalin asked for volunteers to take over military command, Semyon Timoshenko offered himself on
4587-731: The Nationalist rebels , led by General Francisco Franco . Italy supported the Nationalists to a greater extent than the Nazis: Mussolini sent more than 70,000 ground troops, 6,000 aviation personnel, and 720 aircraft to Spain. The Soviet Union supported the existing government of the Spanish Republic . More than 30,000 foreign volunteers, known as the International Brigades , also fought against
4726-690: The Rome–Berlin Axis . A month later, Germany and Japan signed the Anti-Comintern Pact , which Italy joined the following year. The Kuomintang (KMT) party in China launched a unification campaign against regional warlords and nominally unified China in the mid-1920s, but was soon embroiled in a civil war against its former Chinese Communist Party (CCP) allies and new regional warlords . In 1931, an increasingly militaristic Empire of Japan , which had long sought influence in China as
4865-619: The Second World War (1 September 1939 – 2 September 1945) was a global conflict between two coalitions: the Allies and the Axis powers . Nearly all the world's countries —including all the great powers —participated, with many investing all available economic, industrial, and scientific capabilities in pursuit of total war , blurring the distinction between military and civilian resources. Tanks and aircraft played major roles , with
5004-579: The Soviet Union , recognised the new Finnish government just three weeks after the declaration. Finland achieved full sovereignty in May 1918 after a four-month civil war in which the conservative Whites defeated the socialist Reds with the help of the Imperial German Army , pro-German Jägers , and some Swedish troops, in addition to the expulsion of Bolshevik troops. Finland joined
5143-537: The Soviet–Japanese Neutrality Pact in April 1941. By contrast, the Germans were steadily making preparations for an attack on the Soviet Union, massing forces on the Soviet border. Hitler believed that the United Kingdom's refusal to end the war was based on the hope that the United States and the Soviet Union would enter the war against Germany sooner or later. On 31 July 1940, Hitler decided that
5282-664: The Spanish Civil War veterans General Pavel Rychagov from the Soviet Air Forces ; the tank expert General Dmitry Pavlov and Stalin's favourite general, Marshal Grigory Kulik , the chief of artillery. The other faction was led by Khalkhin Gol veterans General Georgy Zhukov of the Red Army and General Grigory Kravchenko of the Soviet Air Forces. Under this divided command structure, the lessons of
5421-421: The Stresa Front in April 1935 in order to contain Germany, a key step towards military globalisation ; however, that June, the United Kingdom made an independent naval agreement with Germany, easing prior restrictions. The Soviet Union, concerned by Germany's goals of capturing vast areas of Eastern Europe , drafted a treaty of mutual assistance with France. Before taking effect, though, the Franco-Soviet pact
5560-523: The Sudetenland , an area of Czechoslovakia with a predominantly ethnic German population. Soon the United Kingdom and France followed the appeasement policy of British Prime Minister Neville Chamberlain and conceded this territory to Germany in the Munich Agreement , which was made against the wishes of the Czechoslovak government, in exchange for a promise of no further territorial demands. Soon afterwards, Germany and Italy forced Czechoslovakia to cede additional territory to Hungary, and Poland annexed
5699-428: The Tanggu Truce was signed in 1933. Thereafter, Chinese volunteer forces continued the resistance to Japanese aggression in Manchuria , and Chahar and Suiyuan . After the 1936 Xi'an Incident , the Kuomintang and CCP forces agreed on a ceasefire to present a united front to oppose Japan. The Second Italo-Ethiopian War was a brief colonial war that began in October 1935 and ended in May 1936. The war began with
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5838-466: The Trans-Olza region of Czechoslovakia. Although all of Germany's stated demands had been satisfied by the agreement, privately Hitler was furious that British interference had prevented him from seizing all of Czechoslovakia in one operation. In subsequent speeches Hitler attacked British and Jewish "war-mongers" and in January 1939 secretly ordered a major build-up of the German navy to challenge British naval supremacy. In March 1939, Germany invaded
5977-506: The Treaty of Craiova . The loss of one-third of Romania's 1939 territory caused a coup against King Carol II, turning Romania into a fascist dictatorship under Marshal Ion Antonescu , with a course set towards the Axis in the hopes of a German guarantee. Meanwhile, German-Soviet political relations and economic co-operation gradually stalled, and both states began preparations for war. In April 1940, Germany invaded Denmark and Norway to protect shipments of iron ore from Sweden , which
6116-411: The Treaty of Tartu , confirming the old border between the autonomous Grand Duchy of Finland and Imperial Russia proper as the new Finnish–Soviet border. Finland also received Petsamo Province , with its ice-free harbour on the Arctic Ocean. Despite the signing of the treaty, relations between the two countries remained strained. The Finnish government allowed volunteers to cross the border to support
6255-401: The United Kingdom and France to declare war on Germany. Poland was divided between Germany and the Soviet Union under the Molotov–Ribbentrop Pact , in which they had agreed on " spheres of influence " in Eastern Europe. In 1940, the Soviets annexed the Baltic states and parts of Finland and Romania . After the fall of France in June 1940, the war continued mainly between Germany and
6394-426: The Wehrmacht rapidly advanced to the Channel and cut off the Allied forces in Belgium, trapping the bulk of the Allied armies in a cauldron on the Franco-Belgian border near Lille. The United Kingdom was able to evacuate a significant number of Allied troops from the continent by early June, although they had to abandon almost all their equipment. On 10 June, Italy invaded France , declaring war on both France and
6533-451: The aftermath of World War I and the rise of fascism in Europe and militarism in Japan . Key events leading up to the war included Japan's invasion of Manchuria , the Spanish Civil War , the outbreak of the Second Sino-Japanese War , and Germany's annexations of Austria and the Sudetenland . World War II is generally considered to have begun on 1 September 1939, when Nazi Germany , under Adolf Hitler , invaded Poland , prompting
6672-404: The reunification of East and West Germany to take place and resolved most post–World War II issues. No formal peace treaty between Japan and the Soviet Union was ever signed, although the state of war between the two countries was terminated by the Soviet–Japanese Joint Declaration of 1956 , which also restored full diplomatic relations between them. World War I had radically altered
6811-409: The Allies were attempting to cut off . Denmark capitulated after six hours , and despite Allied support , Norway was conquered within two months. British discontent over the Norwegian campaign led to the resignation of Prime Minister Neville Chamberlain , who was replaced by Winston Churchill on 10 May 1940. On the same day, Germany launched an offensive against France . To circumvent
6950-400: The Axis war against the Soviet Union, in Romania's case partially to recapture territory ceded to the Soviet Union . In early June 1940, the Italian Regia Aeronautica attacked and besieged Malta , a British possession. From late summer to early autumn, Italy conquered British Somaliland and made an incursion into British-held Egypt . In October, Italy attacked Greece , but the attack
7089-421: The Blitz , but largely ended in May 1941 after failing to significantly disrupt the British war effort. Using newly captured French ports, the German Navy enjoyed success against an over-extended Royal Navy , using U-boats against British shipping in the Atlantic . The British Home Fleet scored a significant victory on 27 May 1941 by sinking the German battleship Bismarck . In November 1939,
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#17327657859887228-405: The European Axis declaring war on the US. Japan conquered much of coastal China and Southeast Asia , but its advances in the Pacific were halted in mid-1942 after its defeat in the naval Battle of Midway ; Germany and Italy were defeated in North Africa and at Stalingrad in the Soviet Union. Key setbacks in 1943—including German defeats on the Eastern Front, the Allied invasions of Sicily and
7367-427: The Finnish Civil War to the early 1930s was a politically unstable time in Finland because of the continued rivalry between the conservatives and the socialists. The Communist Party of Finland was declared illegal in 1931, and the nationalist Lapua Movement organised anticommunist violence, which culminated in a failed coup attempt in 1932. The successor of the Lapua Movement, the Patriotic People's Movement , had
7506-571: The Finnish campaign would take two weeks at most. Soviet soldiers had even been warned not to cross the border mistakenly into Sweden. Stalin's purges in the 1930s had devastated the officer corps of the Red Army; those purged included three of its five marshals, 220 of its 264 division or higher-level commanders and 36,761 officers of all ranks. Fewer than half of all the officers remained. They were commonly replaced by soldiers who were less competent but more loyal to their superiors. Unit commanders were overseen by political commissars , whose approval
7645-501: The Finnish government, and lead them to believe more concession may be forthcoming. Thus, Paasikivi's idea of reaching some sort of compromise by offering the Soviets the island of Jussarö and the fort of Ino were refused by Helsinki. On 31 October, Molotov publicly announced the Soviet demands to the Supreme Soviet . This surprised the Finns, and lent credibility to Soviet claims that their demands were minimalist and thus unalterable, as it would have been impossible to reduce them without
7784-415: The Finnish prospects in a war against the Soviet Union. But the Finnish government was reticent in reaching an agreement out of mistrust for Stalin: there was a fear of repeated follow-up demands, which would have put the future of Finnish sovereignty in danger. There were also those, such as Foreign Minister Eljas Erkko and Prime Minister Aimo Cajander , and the Finnish intelligence in general, who mistook
7923-411: The Finnish-Soviet border on the Karelian Isthmus be moved westward to a point only 30 km (19 mi) east of Viipuri ( Russian : Vyborg ) and that Finland destroy all existing fortifications on the Karelian Isthmus. Likewise, the delegation demanded the cession of islands in the Gulf of Finland as well as Rybachy Peninsula ( Finnish : Kalastajasaarento ). The Finns would also have to lease
8062-410: The French possessions of Syria and Lebanon , assisted by the Free French . With the situation in Europe and Asia relatively stable, Germany, Japan, and the Soviet Union made preparations for war. With the Soviets wary of mounting tensions with Germany, and the Japanese planning to take advantage of the European War by seizing resource-rich European possessions in Southeast Asia , the two powers signed
8201-426: The Germans, and the last large operational unit of the Polish Army surrendered on 6 October . Despite the military defeat, Poland never surrendered; instead, it formed the Polish government-in-exile and a clandestine state apparatus remained in occupied Poland. A significant part of Polish military personnel evacuated to Romania and Latvia; many of them later fought against the Axis in other theatres of
8340-465: The Great Purge, further tarnishing the Soviets' image in Finland. Meanwhile, Finland was attempting to negotiate a military co-operation plan with Sweden and hoping to jointly defend Åland. The Soviet Union and Nazi Germany signed the Molotov–Ribbentrop Pact in August 1939. It was publicly a non-aggression treaty , but it included a secret protocol in which Central and Eastern European countries were divided into spheres of influence . Finland fell into
8479-553: The League of Nations in 1920 and sought security guarantees, but Finland's primary goal was co-operation with the Scandinavian countries , mainly Sweden, and it focused on the exchange of information and on defence planning (the joint defence of Åland , for example), rather than on military exercises or on the stockpiling and the deployment of materiel . Nevertheless, Sweden carefully avoided committing itself to Finnish foreign policy. Finland's military policy included clandestine defence co-operation with Estonia . The period after
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#17327657859888618-450: The Nationalists. Both Germany and the Soviet Union used this proxy war as an opportunity to test in combat their most advanced weapons and tactics. The Nationalists won the civil war in April 1939; Franco, now dictator, remained officially neutral during World War II but generally favoured the Axis . His greatest collaboration with Germany was the sending of volunteers to fight on the Eastern Front . In July 1937, Japan captured
8757-452: The Royal Navy putting three Italian battleships out of commission after a carrier attack at Taranto , and neutralising several more warships at the Battle of Cape Matapan . Italian defeats prompted Germany to deploy an expeditionary force to North Africa; at the end of March 1941, Rommel 's Afrika Korps launched an offensive which drove back Commonwealth forces. In less than a month, Axis forces advanced to western Egypt and besieged
8896-630: The Russian capital, Saint Petersburg . Eventually Russia conquered and annexed Finland, and converted it into an autonomous buffer state . The resulting Grand Duchy of Finland enjoyed wide autonomy within Russia until the end of the 19th century, when Russia began attempts to assimilate Finland as part of a general policy to strengthen the central government and unify the Empire by Russification . Those attempts were aborted because of Russia's internal strife, but they ruined Russia's relationship with Finland. In addition, support increased in Finland for self-determination movements. World War I led to
9035-423: The Soviet Union occupied the entire territories of Estonia, Latvia and Lithuania, as well as the Romanian regions of Bessarabia, Northern Bukovina, and the Hertsa region . In August 1940, Hitler imposed the Second Vienna Award on Romania which led to the transfer of Northern Transylvania to Hungary. In September 1940, Bulgaria demanded Southern Dobruja from Romania with German and Italian support, leading to
9174-421: The Soviet Union , opening the Eastern Front and initially making large territorial gains. Japan aimed to dominate East Asia and the Asia-Pacific , and by 1937 was at war with the Republic of China . In December 1941, Japan attacked American and British territories in Southeast Asia and the Central Pacific , including Pearl Harbor in Hawaii , which resulted in the US and the UK declaring war against Japan, and
9313-445: The Soviet Union also joined the League of Nations. Soviet General Secretary Joseph Stalin regarded it a disappointment that the Soviet Union could not halt the Finnish Revolution. He thought that the pro-Finland movement in Karelia posed a direct threat to Leningrad and that the area and defences of Finland could be used to invade the Soviet Union or restrict fleet movements. Soviet propaganda then painted Finland's leadership as
9452-418: The Soviet Union and Mongolia . The Japanese doctrine of Hokushin-ron , which emphasised Japan's expansion northward, was favoured by the Imperial Army during this time. This policy would prove difficult to maintain in light of the Japanese defeat at Khalkin Gol in 1939, the ongoing Second Sino-Japanese War and ally Nazi Germany pursuing neutrality with the Soviets. Japan and the Soviet Union eventually signed
9591-422: The Soviet Union formed a puppet government , named the Finnish Democratic Republic , to govern Finland after Soviet conquest. A declaration delivered via TASS stated: The People's Government in its present composition regards itself as a provisional government. Immediately upon arrival in Helsinki, capital of the country, it will be reorganised and its composition enlarged by the inclusion of representatives of
9730-575: The Soviet Union should be eliminated and aimed for the conquest of Ukraine , the Baltic states and Byelorussia . However, other senior German officials like Ribbentrop saw an opportunity to create a Euro-Asian bloc against the British Empire by inviting the Soviet Union into the Tripartite Pact. In November 1940, negotiations took place to determine if the Soviet Union would join the pact. The Soviets showed some interest but asked for concessions from Finland, Bulgaria, Turkey, and Japan that Germany considered unacceptable. On 18 December 1940, Hitler issued
9869-429: The Soviet Union was mostly impassable except along a handful of unpaved roads . In prewar calculations, the Finnish Defence Command , which had established its wartime headquarters at Mikkeli , had estimated seven Soviet divisions on the Karelian Isthmus and no more than five along the whole border north of Lake Ladoga. In the estimation, the manpower ratio would have favoured the attacker by three to one. The true ratio
10008-415: The Soviet Union's "first real war on a massive scale using tanks, artillery, and aircraft" at Khalkin Gol went unheeded. As a result, Russian BT tanks were less successful during the Winter War, and it took the Soviet Union three months and over a million men to accomplish what Zhukov had managed at Khalkhin Gol in ten days (albeit in completely different circumstances). Soviet generals were impressed by
10147-648: The Soviet border, the Viena and Aunus expeditions , to annex areas in Karelia that according to the Greater Finland ideology would combine all Baltic Finnic peoples into a single state. In 1920, Finnish communists based in Soviet Russia attempted to assassinate the former Finnish White Guard Commander-in-Chief, Marshal Carl Gustaf Emil Mannerheim . On 14 October 1920, Finland and Soviet Russia signed
10286-759: The Soviet military. After 15 months of Interim Peace , in June 1941, Germany commenced Operation Barbarossa , and the Continuation War between Finland and the Soviets began. Until the early 19th century, Finland was the eastern part of the Kingdom of Sweden . From 21 February 1808 to 17 September 1809, the Russian Empire waged the Finnish War against the Kingdom of Sweden, ostensibly to protect
10425-602: The Soviet sphere. On 1 September 1939, Germany began its invasion of Poland , and two days later, the United Kingdom and France declared war on Germany. On 17 September, the Soviet invasion of Poland began. After the fall of Poland, Germany and the Soviet Union exchanged occupied Polish lands to establish a new border in accordance with the provisions of the Molotov-Ribbentrop Pact. Estonia, Latvia and Lithuania were soon forced to accept treaties that allowed
10564-455: The Soviets demanded limited territorial concessions from Finland, and even offered land in return, which would not have made sense if full Sovietization was intended. And according to Kotkin, Stalin seemed to be genuinely interested in reaching an agreement during the negotiations: he had personally attended six of the seven meetings with the Finns, and had multiple times reduced his demands. However, mutual mistrust and misunderstandings would mar
10703-408: The Soviets did not trust Germany and that war was considered possible between the two countries. The Red Army would not wait passively behind the border but would rather "advance to meet the enemy". Finnish representatives assured Yartsev that Finland was committed to a policy of neutrality and that the country would resist any armed incursion. Yartsev suggested that Finland cede or lease some islands in
10842-531: The Soviets reduced their strategic objectives and put an end to the puppet Finnish communist government in late January 1940, informing the Finnish government that they were willing to negotiate peace. After the Soviet military reorganized and adopted different tactics, they renewed their offensive in February 1940 and overcame the Finnish defences on the Karelian Isthmus. This left the Finnish army in
10981-493: The Soviets to establish military bases on their soil. Estonia accepted the ultimatum by signing the agreement on 28 September. Latvia and Lithuania followed in October. Unlike the three Baltic countries, Finland started a gradual mobilisation under the guise of "additional refresher training ". The Soviets had already started intensive mobilisation near the Finnish border in 1938–39. Assault troops thought to be necessary for
11120-506: The US dropped the first atomic bombs on Hiroshima and Nagasaki on 6 and 9 August. Faced with an imminent invasion of the Japanese archipelago , the possibility of further atomic bombings, and the Soviet declaration of war against Japan and its invasion of Manchuria , Japan announced its unconditional surrender on 15 August and signed a surrender document on 2 September 1945 , marking
11259-629: The USSR for military purposes. On the next meeting on 23 October, Stalin conceded to lessen his demands: a reduction in the amount of land demanded in Karelia; a reduction of the Hanko garrison from 5000 to 4000 men; and reducing the length of lease from 30 years to whatever date the ongoing (second world) war in Europe would end. However, this sudden change, contrary to previous statements that Soviet demands were minimalist and thus unalterable, had surprised
11398-581: The United Kingdom and France guaranteed their support for Polish independence ; when Italy conquered Albania in April 1939, the same guarantee was extended to the Kingdoms of Romania and Greece . Shortly after the Franco - British pledge to Poland, Germany and Italy formalised their own alliance with the Pact of Steel . Hitler accused the United Kingdom and Poland of trying to "encircle" Germany and renounced
11537-542: The United Kingdom attacked on 3 July in an attempt to prevent its seizure by Germany. The air Battle of Britain began in early July with Luftwaffe attacks on shipping and harbours . The German campaign for air superiority started in August but its failure to defeat RAF Fighter Command forced the indefinite postponement of the proposed German invasion of Britain . The German strategic bombing offensive intensified with night attacks on London and other cities in
11676-461: The United Kingdom. The Germans turned south against the weakened French army, and Paris fell to them on 14 June. Eight days later France signed an armistice with Germany ; it was divided into German and Italian occupation zones , and an unoccupied rump state under the Vichy Regime , which, though officially neutral, was generally aligned with Germany. France kept its fleet, which
11815-660: The United States was assisting China and the Western Allies, and had amended the Neutrality Act to allow "cash and carry" purchases by the Allies. In 1940, following the German capture of Paris, the size of the United States Navy was significantly increased . In September the United States further agreed to a trade of American destroyers for British bases . Still, a large majority of the American public continued to oppose any direct military intervention in
11954-606: The Yellow River ; this manoeuvre bought time for the Chinese to prepare their defences at Wuhan , but the city was taken by October. Japanese military victories did not bring about the collapse of Chinese resistance that Japan had hoped to achieve; instead, the Chinese government relocated inland to Chongqing and continued the war. In the mid-to-late 1930s, Japanese forces in Manchukuo had sporadic border clashes with
12093-461: The capital Nanking in December 1937. After the fall of Nanking, tens or hundreds of thousands of Chinese civilians and disarmed combatants were murdered by the Japanese . In March 1938, Nationalist Chinese forces won their first major victory at Taierzhuang , but then the city of Xuzhou was taken by the Japanese in May. In June 1938, Chinese forces stalled the Japanese advance by flooding
12232-642: The chaos of the October Revolution of 1917 and the Russian Civil War almost two decades earlier. Soviet leaders believed that the old empire's extended borders provided territorial security and wanted Leningrad, only 32 km (20 mi) from the Finnish border, to enjoy a similar level of security against the rising power of Nazi Germany . In April 1938, NKVD agent Boris Yartsev contacted Finnish Foreign Minister Rudolf Holsti and Finnish Prime Minister Aimo Cajander , stating that
12371-762: The collapse of the Russian Empire during the Russian Revolution of 1917 and the Russian Civil War . On 15 November 1917, the Bolshevik Russian government declared that national minorities possessed the right of self-determination , including the right to secede and form a separate state, which gave Finland a window of opportunity. On 6 December 1917, the Senate of Finland declared the nation's independence . Soviet Russia , later
12510-552: The condition that he be allowed to implement Shaposhnikov's initial plan of a focused attack on the Karelian Isthmus to break the Mannerheim Line; it was accepted. In January 1940, the Leningrad Military District was reformed and renamed "North-Western Front". The Soviet forces were organised as follows: The Finnish strategy was dictated by geography. The 1,340 km (830 mi) border with
12649-403: The conflict well into 1941. In December 1940, Roosevelt accused Hitler of planning world conquest and ruled out any negotiations as useless, calling for the United States to become an " arsenal of democracy " and promoting Lend-Lease programmes of military and humanitarian aid to support the British war effort; Lend-Lease was later extended to the other Allies, including the Soviet Union after it
12788-506: The country's international reputation suffered. Their gains exceeded their pre-war demands, and the Soviets received substantial territories along Lake Ladoga and further north. Finland retained its sovereignty and enhanced its international reputation. The poor performance of the Red Army encouraged German Chancellor Adolf Hitler to believe that an attack on the Soviet Union would be successful and confirmed negative Western opinions of
12927-526: The creation of a " New Roman Empire ". Adolf Hitler , after an unsuccessful attempt to overthrow the German government in 1923, eventually became the Chancellor of Germany in 1933 when Paul von Hindenburg and the Reichstag appointed him. Following Hindenburg's death in 1934, Hitler proclaimed himself Führer of Germany and abolished democracy, espousing a radical, racially motivated revision of
13066-557: The demands and the Soviet military build-up as a mere bluff on the part of Stalin, and were thus disinclined to reach an agreement. The Finns made two counteroffers to cede the Terijoki area to the Soviet Union. That would double the distance between Leningrad and the Finnish border but was far less than the Soviets had demanded. The Finns would also cede the islands in the Gulf of Finland, but they would not agree to lease any territory to
13205-442: The directive to prepare for an invasion of the Soviet Union. Winter War [REDACTED] Finland [REDACTED] Soviet Union Asia-Pacific Mediterranean and Middle East Other campaigns Coups Finland Iceland Norway The Winter War was a war between the Soviet Union and Finland . It began with a Soviet invasion of Finland on 30 November 1939, three months after
13344-812: The dissolution of the Austro-Hungarian, Ottoman, and Russian Empires. To prevent a future world war, the League of Nations was established in 1920 by the Paris Peace Conference . The organisation's primary goals were to prevent armed conflict through collective security, military, and naval disarmament , as well as settling international disputes through peaceful negotiations and arbitration. Despite strong pacifist sentiment after World War I , irredentist and revanchist nationalism had emerged in several European states. These sentiments were especially marked in Germany because of
13483-662: The end of May completed the German conquest of the Balkans. Partisan warfare subsequently broke out against the Axis occupation of Yugoslavia , which continued until the end of the war. In the Middle East in May, Commonwealth forces quashed an uprising in Iraq which had been supported by German aircraft from bases within Vichy-controlled Syria . Between June and July, British-led forces invaded and occupied
13622-463: The end of the war. World War II changed the political alignment and social structure of the world, and it set the foundation of international relations for the rest of the 20th century and into the 21st century. The United Nations was established to foster international cooperation and prevent conflicts, with the victorious great powers—China, France, the Soviet Union, the UK, and the US—becoming
13761-439: The final meeting: the Soviets stopped responding to further Finnish letters and on 13 November, when the Finnish delegation was recalled from Moscow, no Soviet officials came to see them off. The Finns had left under the expectation that the negotiations would continue. Instead, the Soviet Union ramped up its military preparations. The negotiations had failed, as neither side was willing to substantially reduce their demands, nor
13900-575: The first step of what its government saw as the country's right to rule Asia , staged the Mukden incident as a pretext to invade Manchuria and establish the puppet state of Manchukuo . China appealed to the League of Nations to stop the Japanese invasion of Manchuria. Japan withdrew from the League of Nations after being condemned for its incursion into Manchuria. The two nations then fought several battles, in Shanghai , Rehe and Hebei , until
14039-864: The former Chinese imperial capital of Peking after instigating the Marco Polo Bridge incident , which culminated in the Japanese campaign to invade all of China. The Soviets quickly signed a non-aggression pact with China to lend materiel support, effectively ending China's prior cooperation with Germany . From September to November, the Japanese attacked Taiyuan , engaged the Kuomintang Army around Xinkou , and fought Communist forces in Pingxingguan . Generalissimo Chiang Kai-shek deployed his best army to defend Shanghai , but after three months of fighting, Shanghai fell. The Japanese continued to push Chinese forces back, capturing
14178-473: The invasion did not begin deployment until October 1939. Operational plans made in September called for the invasion to start in November. On 5 October 1939, the Soviets invited a Finnish delegation to Moscow for negotiations. Juho Kusti Paasikivi , the Finnish envoy to Sweden, was sent to Moscow to represent the Finnish government Furthermore, the negotiations were attended by Stalin in person, signalling
14317-471: The invasion of the Ethiopian Empire (also known as Abyssinia ) by the armed forces of the Kingdom of Italy ( Regno d'Italia ), which was launched from Italian Somaliland and Eritrea . The war resulted in the military occupation of Ethiopia and its annexation into the newly created colony of Italian East Africa ( Africa Orientale Italiana , or AOI); in addition it exposed the weakness of
14456-735: The latter enabling the strategic bombing of population centres and delivery of the only two nuclear weapons ever used in war. World War II was the deadliest conflict in history, resulting in 70 to 85 million deaths , more than half being civilians. Millions died in genocides , including the Holocaust of European Jews, as well as from massacres, starvation, and disease. Following the Allied powers' victory, Germany , Austria , Japan , and Korea were occupied, and war crimes tribunals were conducted against German and Japanese leaders . The causes of World War II included unresolved tensions in
14595-485: The main theatre of war near the breaking point, with a retreat seeming inevitable. Consequently, Finnish commander-in-chief Carl Gustaf Emil Mannerheim urged a peace deal with the Soviets, while the Finns still retained bargaining power. Hostilities ceased in March 1940 with the signing of the Moscow Peace Treaty in which Finland ceded 9% of its territory to the Soviet Union. Soviet losses were heavy, and
14734-506: The negotiations, producing an impasse. Before the war, Soviet leadership had expected total victory within a few weeks. The Red Army had just completed the invasion of eastern Poland at a cost of fewer than 4,000 casualties after Germany attacked Poland from the west. Stalin's expectations of a quick Soviet triumph were backed up by politician Andrei Zhdanov and military strategist Kliment Voroshilov , but other generals were more reserved. Red Army Chief of Staff Boris Shaposhnikov advocated
14873-413: The occupation of Finland. However, Joseph Stalin was not pleased with the conservative pace that the operation required and demanded new plans be drawn up. With the new plans, the key deadline for Finland's capitulation was to be Stalin's 60th birthday on 21 December. Convinced of the invasion's forthcoming success, Andrei Zhdanov , chairman of the highest legislative body in the Soviet Union, commissioned
15012-618: The outbreak of World War II , and ended three and a half months later with the Moscow Peace Treaty on 13 March 1940. Despite superior military strength, especially in tanks and aircraft, the Soviet Union suffered severe losses and initially made little headway. The League of Nations deemed the attack illegal and expelled the Soviet Union from its organization. The Soviets made several demands, including that Finland cede substantial border territories in exchange for land elsewhere, claiming security reasons – primarily
15151-506: The outbreak of war, but its reservists were equipped with warm civilian clothing. However, the sparsely-populated highly-agrarian Finland had to draft so many of its working men that the Finnish economy was massively strained because of a lack of workers. An even greater problem than lack of soldiers was the lack of materiel since foreign shipments of anti-tank weapons and aircraft were arriving only in small quantities. The ammunition situation
15290-502: The permanent members of its security council . The Soviet Union and the United States emerged as rival superpowers , setting the stage for the Cold War . In the wake of European devastation, the influence of its great powers waned, triggering the decolonisation of Africa and Asia . Most countries whose industries had been damaged moved towards economic recovery and expansion . World War II began in Europe on 1 September 1939 with
15429-589: The political European map with the defeat of the Central Powers —including Austria-Hungary , Germany , Bulgaria , and the Ottoman Empire —and the 1917 Bolshevik seizure of power in Russia , which led to the founding of the Soviet Union. Meanwhile, the victorious Allies of World War I , such as France, Belgium, Italy, Romania, and Greece, gained territory, and new nation-states were created out of
15568-599: The port of Tobruk . By late March 1941, Bulgaria and Yugoslavia signed the Tripartite Pact ; however, the Yugoslav government was overthrown two days later by pro-British nationalists. Germany and Italy responded with simultaneous invasions of both Yugoslavia and Greece , commencing on 6 April 1941; both nations were forced to surrender within the month. The airborne invasion of the Greek island of Crete at
15707-465: The protection of Leningrad , 32 km (20 mi) from the Finnish border. When Finland refused, the Soviets invaded. Most sources conclude that the Soviet Union had intended to conquer all of Finland, and cite the establishment of the puppet Finnish Communist government and the Molotov–Ribbentrop Pact 's secret protocols as evidence of this, while other sources argue against the idea of
15846-411: The regime change plan to a Soviet ambassador that the new government "will not be Soviet, but one of a democratic republic. Nobody is going to set up Soviets over there, but we hope it will be a government we can come to terms with as to ensure the security of Leningrad". According to Russian historian Yuri Kilin , the Soviet terms encompassed the strongest fortified approaches of the Finnish defences for
15985-722: The remainder of Czechoslovakia and subsequently split it into the German Protectorate of Bohemia and Moravia and a pro-German client state , the Slovak Republic . Hitler also delivered an ultimatum to Lithuania on 20 March 1939, forcing the concession of the Klaipėda Region , formerly the German Memelland . Greatly alarmed and with Hitler making further demands on the Free City of Danzig ,
16124-448: The seriousness of the effort. Paasikivi would later recount his surprise over the friendly atmosphere in which the delegation was received, and mentioned the pleasant manners of Stalin towards them. The meetings began on 12 October, with Molotov's offer of a mutual assistance pact, which the Finns immediately refused. To the Finns' surprise, Molotov dropped the offer and instead proposed an exchange of territory. The offer stipulated that
16263-433: The shelling was a false flag operation since there were no artillery units there, and it was carried out from the Soviet side of the border by an NKVD unit with the purpose of providing the Soviets with a casus belli and a pretext to withdraw from the non-aggression pact. Soviet war games held in March 1938 and 1939 had been based on a scenario in which border incidents taking place at the village of Mainila would spark
16402-462: The significant territorial, colonial, and financial losses imposed by the Treaty of Versailles . Under the treaty, Germany lost around 13 percent of its home territory and all its overseas possessions , while German annexation of other states was prohibited, reparations were imposed, and limits were placed on the size and capability of the country's armed forces . The German Empire was dissolved in
16541-498: The start or prelude to World War II. The exact date of the war's end also is not universally agreed upon. It was generally accepted at the time that the war ended with the armistice of 15 August 1945 ( V-J Day ), rather than with the formal surrender of Japan on 2 September 1945, which officially ended the war in Asia . A peace treaty between Japan and the Allies was signed in 1951. A 1990 treaty regarding Germany's future allowed
16680-593: The strong Maginot Line fortifications on the Franco-German border, Germany directed its attack at the neutral nations of Belgium , the Netherlands , and Luxembourg . The Germans carried out a flanking manoeuvre through the Ardennes region, which was mistakenly perceived by the Allies as an impenetrable natural barrier against armoured vehicles. By successfully implementing new Blitzkrieg tactics,
16819-500: The success of German Blitzkrieg tactics , but they had been tailored to conditions in Central Europe , with its dense well-mapped network of paved roads. Armies fighting there had recognised supply and communications centres, which could be easily targeted by armoured vehicle regiments. Finnish Army centres, in contrast, were deep inside the country. There were no paved roads, and even gravel or dirt roads were scarce. Most of
16958-466: The terrain consisted of trackless forests and swamps. The war correspondent John Langdon-Davies observed the landscape: "Every acre of its surface was created to be the despair of an attacking military force". Waging Blitzkrieg in Finland was a highly-difficult proposition, and according to Trotter, the Red Army failed to meet the level of tactical co-ordination and local initiative that would be required to execute such tactics in Finland. Commander of
17097-469: The two wars became World War II in 1941. Other proposed starting dates for World War II include the Italian invasion of Abyssinia on 3 October 1935. The British historian Antony Beevor views the beginning of World War II as the Battles of Khalkhin Gol fought between Japan and the forces of Mongolia and the Soviet Union from May to September 1939. Others view the Spanish Civil War as
17236-400: The various parties and groups participating in the people's front of toilers. Soviet leaflets dropped over Helsinki on the first day of the war stated: "Finnish Comrades! We come to you not as conquerors, but as liberators of the Finnish people from the oppression of the capitalists and the landlords". In 1939, Soviet military leadership had formulated a realistic and comprehensive plan for
17375-513: The war were not fulfilled in the peace settlement. From 1922 to 1925, the Fascist movement led by Benito Mussolini seized power in Italy with a nationalist, totalitarian , and class collaborationist agenda that abolished representative democracy, repressed socialist, left-wing, and liberal forces, and pursued an aggressive expansionist foreign policy aimed at making Italy a world power, promising
17514-475: The war. Germany annexed western Poland and occupied central Poland ; the Soviet Union annexed eastern Poland ; small shares of Polish territory were transferred to Lithuania and Slovakia . On 6 October, Hitler made a public peace overture to the United Kingdom and France but said that the future of Poland was to be determined exclusively by Germany and the Soviet Union. The proposal was rejected and Hitler ordered an immediate offensive against France, which
17653-415: The war. Molotov claimed that the incident was a Finnish artillery attack. He demanded that Finland apologise for the incident and to move its forces beyond a line 20–25 km (12–16 mi) from the border. Finland denied responsibility for the attack, rejected the demands and called for a joint Finnish–Soviet commission to examine the incident. In turn, the Soviet Union claimed that the Finnish response
17792-512: The west halted the German advance for several days, but it was outflanked and encircled by the Wehrmacht . Remnants of the Polish army broke through to besieged Warsaw . On 17 September 1939, two days after signing a cease-fire with Japan , the Soviet Union invaded Poland under the supposed pretext that the Polish state had ceased to exist. On 27 September, the Warsaw garrison surrendered to
17931-707: The world order , and soon began a massive rearmament campaign . France, seeking to secure its alliance with Italy, allowed Italy a free hand in Ethiopia , which Italy desired as a colonial possession. The situation was aggravated in early 1935 when the Territory of the Saar Basin was legally reunited with Germany, and Hitler repudiated the Treaty of Versailles, accelerated his rearmament programme, and introduced conscription. The United Kingdom, France and Italy formed
18070-614: Was invaded by Germany. The United States started strategic planning to prepare for a full-scale offensive against Germany. At the end of September 1940, the Tripartite Pact formally united Japan, Italy, and Germany as the Axis powers . The Tripartite Pact stipulated that any country—with the exception of the Soviet Union—that attacked any Axis Power would be forced to go to war against all three. The Axis expanded in November 1940 when Hungary , Slovakia , and Romania joined. Romania and Hungary later made major contributions to
18209-430: Was alarming, as stockpiles had cartridges, shells and fuel to last only 19 to 60 days. The ammunition shortage meant the Finns could seldom afford counter-battery or saturation fire . Finnish tank forces were operationally nonexistent. The ammunition situation was alleviated somewhat since Finns were largely armed with Mosin–Nagant rifles dating from the Finnish Civil War, which used the same 7.62×54mmR cartridge that
18348-426: Was either side able to fully trust the other. The Finns were fearful of an encroachment on their sovereignty, while the Soviets were (claiming to be) fearful of a springboard for international enemies in Finland, in close proximity to Leningrad. No promises to the contrary managed to persuade the other. Additionally, both sides had misunderstood the others position: the Finns had assumed that the Soviets had opened up on
18487-473: Was hostile, renounced the non-aggression pact and severed diplomatic relations with Finland on 28 November. In the following years, Soviet historiography described the incident as Finnish provocation. Doubt on the official Soviet version was cast only in the late 1980s, during the policy of glasnost . The issue has continued to divide Russian historiography even after the end of the Soviet Union in 1991. In 2013, Russian President Vladimir Putin stated at
18626-424: Was much higher, however, since for example, 12 Soviet divisions were deployed north of Lake Ladoga. Finland had a large force of reservists, which was trained in regular maneuvers, some of which had experience from the recent Finnish Civil War. The soldiers were also almost universally trained in basic survival techniques, such as skiing. The Finnish Army was not able to equip all its soldiers with proper uniforms at
18765-411: Was needed to approve and ratify military decisions, which they evaluated based on their political merits. The dual system further complicated the Soviet chain of command and annulled the independence of commanding officers. After the Soviet success at the Battles of Khalkhin Gol against Japan, on the USSR's eastern border, Soviet High Command had divided into two factions. One side was represented by
18904-456: Was postponed until the spring of 1940 due to bad weather. After the outbreak of war in Poland, Stalin threatened Estonia , Latvia , and Lithuania with military invasion, forcing the three Baltic countries to sign pacts allowing the creation of Soviet military bases in these countries; in October 1939, significant Soviet military contingents were moved there. Finland refused to sign
19043-772: Was repulsed with heavy Italian casualties; the campaign ended within months with minor territorial changes. To assist Italy and prevent Britain from gaining a foothold, Germany prepared to invade the Balkans, which would threaten Romanian oil fields and strike against British dominance of the Mediterranean. In December 1940, British Empire forces began counter-offensives against Italian forces in Egypt and Italian East Africa . The offensives were successful; by early February 1941, Italy had lost control of eastern Libya, and large numbers of Italian troops had been taken prisoner. The Italian Navy also suffered significant defeats, with
19182-557: Was required to go through the bureaucracy of the League of Nations, which rendered it essentially toothless. The United States, concerned with events in Europe and Asia, passed the Neutrality Act in August of the same year. Hitler defied the Versailles and Locarno Treaties by remilitarising the Rhineland in March 1936, encountering little opposition due to the policy of appeasement . In October 1936, Germany and Italy formed
19321-448: Was the "incorporated Eastern territories" ( German : Eingegliederte Ostgebiete ). They planned for a complete Germanization of the annexed territories, considering them part of lebensraum . The rest of Nazi-occupied Poland was renamed as the General Government district ( Generalgouvernement ). World War II Asia-Pacific Mediterranean and Middle East Other campaigns Coups World War II or
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