
The main causes of World War II include:
- The Treaty of Versailles following WWI
- Economic depression across the world
- Rise of Nazism
- Failure of the League of Nations
What were the main reasons for World War 2?
#5 Rise of Fascism
- Italy. The roots of Fascism may be traced to Italy to WW1, when Benito Mussolini and other radicals formed a political group (called a fasci) supporting the war against Germany ...
- Nazi Germany. Germany was a weakened and humiliated state after WW1 and the treatment meted out to it in the Treaty of Versailles.
- Statism in Japan. ...
What were the major causes of World War 2?
The Main Causes Of World War II. 165 Words1 Page. The causes of World War II were Expansionism, Militarism, and countries’ radical leaders. During the years that lead up to the World War II many horrendous leaders took absolute control of their country’s. Hitler took control Germany and later established himself as Fuhrer, Mussolini established himself as a dictator of Italy, and finally, Tojo gained control of Japan and became the Prime Minister.
What are the effects of World War 2?
10 Major Effects of World War I
- Ethnic Cleansing And Genocide. The Armenians had inhabited the Caucasus region of Eurasia for close to 3 millennia having taken up the Christian faith in the 4th Century AD.
- Revolutions of 1917–1923. The period towards the end of WWI and in its aftermath saw an outburst of political unrest and revolts around the world.
- Lost Generation. ...
What are facts about World War 2?
World War II Fast Facts
- Causes of World War II. The Peace of Paris - The treaties worked out in Paris at the end of World War I satisfied few. ...
- Axis Powers. Germany, Japan and Italy formed a coalition called the Axis Powers. ...
- Allied Powers. ...
- US Troop Statistics
- US Deaths
- Other Military Casualties by Country 1939-1945 (selected)
- Other Facts. ...
- Timeline. ...

What happened at the end of World War I?
By the end of World War I, the world's social and geopolitical circumstances had fundamentally and irrevocably changed in late 1918. The Allies had been victorious, but many of Europe's economies and infrastructures had been devastated, including those of the victors.
When did Germany attack the Soviet Union?
Germany attacked the Soviet Union in June 1941. Hitler believed that the Soviet Union could be defeated in a fast and relentless assault that capitalised on the Soviets' ill-prepared state and hoped that success there would bring Britain to the negotiation table, which would end the war altogether.
What was the most extreme political aspirant to emerge from that situation?
The most extreme political aspirant to emerge from that situation was Adolf Hitler, the leader of the Nazi Party.
What was the second Sino-Japanese war?
In 1931, Japan took advantage of China's weakness in the Warlord Era and fabricated the Mukden Incident in 1931 to set up the puppet state of Manchukuo in Manchuria, with Emperor Puyi, who had been the last emperor of China.
What was Japan lacking in the 20th century?
Other than a few coal and iron deposits and a small oil field on Sakhalin Island, Japan lacked strategic mineral resources. In the early 20th century, in the Russo-Japanese War, Japan had succeeded in pushing back the East Asian expansion of the Russian Empire in competition for Korea and Manchuria .
When did Germany invade Poland?
Germany invaded Poland on 1 September 1939 which directly led to the Anglo-French declaration of war on Germany on 3 September. The Soviet Union joined Germany's invasion of Poland on 17 September.
Was the League of Nations involved in World War II?
The League of Nations was never involved , and its major powers remained neutral and tried with little success to stop arms shipments into Spain. The Nationalists eventually defeated the Republicans in 1939. Spain negotiated with joining the Axis but remained neutral during World War II and did business with both sides.
Why did World War 2 happen?
World War 2 broke into open conflict due to the military aggression of Germany and Japan, when Germany invaded Poland in 1939 and Japan struck against China in 1937. The causes of World War 2, and background to these events is considerably complex, and it is important to understand the key facts and situations that lead to global war.
How did Hitler's Nazi party impact World War 2?
Adolf Hitler’s Impact on World War 2. Adolf Hitler’s Nazi party promised the German people that they would tear up the Treaty of Versailles. When they were voted to power in 1933 they immediately began to ignore it. As things improved economically in Germany, it became easier for Hitler to cement his grip on power.
How did the Treaty of Versailles affect World War 2?
Impact of the Treaty of Versailles on World War 2. The Germans were forced to sign this treaty at the end of World War One, and it imposed many harsh restrictions and penalties on the nation. Germany was required to pay a vast amount of money as war reparations, which crippled the nation’s budget. In an already.
What was the Japanese policy in 1941?
By July 1941, the American government felt it had no choice other than to impose crippling economic sanctions, freezing all assets in the US and halting the export of oil to the Japanese. The British and Dutch authorities followed suit, leaving Japan with no supply of oil. The American’s issued an ultimatum. Either they retreat from China, or they would continue to deprive the Japanese of oil.
What was the Japanese invasion of Manchuria?
In 1931 the Japanese launched their invasion of Manchuria, a region of China. With its rich natural resources it was seen as an important strategic target. The army took it upon themselves to invade Manchuria, in direct violation of orders from the civil government in Tokyo. Over the next six years the Japanese army came to dominate the Japanese government, and Araki’s aggressive and expansionist Imperial Way Faction began to dominate the army. They continued to expand into China, leading to all-out war by 1937.
What happened in 1937?
They continued to expand into China, leading to all-out war by 1937. The United States had considerable economic interests in China at the time, and Japanese aggression began to affect these interests. Public opinion in the US was also starting to turn against the Japanese.
What was the purpose of the League of Nations?
The League was the first permanent organization which had the primary mission of keeping the peace world-wide.
What were the causes of the Second World War?
There are numerous causes of the Second World War. The Treaty of Versailles after World War I put the blame of the entire war on Germany and forced it to accept several humiliating terms. Italy and Japan were also dissatisfied with the terms of the treaty as their interests were not addressed by it. The angry populace aided the rise of Fascism in ...
What was Japan's role in World War 1?
Like Italy, Japan had been on the winning side in World War I. They had contributed to the Allied cause by neutralizing the German threat in the Pacific, capturing German controlled territories in China and Oceania, and sending warships to assist the Allies as far as the Indian Ocean and the Mediterranean Sea.
What was the Great Depression?
The Great Depression refers to the severe economic crisis that hit the world in the early 1930s. Beginning in America it was the longest, deepest and most widespread depression of the 20th century. Some historians consider this economic crisis as a catalyst in the rise of fascism. This is because propaganda blamed the problems of the long depression of the 1930s on left-wing internationalism, minorities and immigrants. It contributed in the demise of the Weimar Republic in Germany and helped the Nazis establish power. Fascist movements grew stronger elsewhere in Europe and beyond during the time. In Hungary, Gyula Gömbös rose to power as Prime Minister in 1932. In 1934, France faced mass rioting by the supporters of the fascist Francist Movement. In 1933 Romania, the Iron Guard movement gained in political support. Other short lived fascist movements rose in Argentina, Peru and other parts of South America. Many other governments with borrowed elements from Fascism were formed during the Great Depression, including those of Greece, Lithuania, Poland and Yugoslavia.
What was Hitler's promise to Germany?
In return Hitler gave his word that Germany would make no further territorial claims in Europe. A promise that would be broken soon after; leading to the Second World War. German troops march into Austria on 12 March 1938.
How much did Germany pay for the Entente?
Also referred to as the war guilt clause, it led Germany into accepting a payment of $31.4 billion ( £6.6 billion, roughly equivalent to US$442 billion or UK£284 billion in 2019) as war reparations and compensation to losses they had caused to certain countries in the Entente.
What was the Axis Powers?
Lasting between 1939 and 1945, World War II was a global conflict which divided the world into two military alliances. The Axis Powers were Germany, Italy and Japan. The Allies consisted of the majority of the countries of the world who came together in opposition to the Axis Powers.
Why was the League of Nations formed?
The League of Nations was formed as an international governing body and national boundaries were redrawn with change in territories or the formation of new nations. The Paris Peace Conference is regarded among the primary reasons for the outbreak of the Second World War.
What happened to Germany after WW1?
After WW1 ended, the political situation in Germany became fraught, and many left-wing parties were established, and immediately gained significant support.
What was Germany's dissatisfaction with the Treaty of Versailles?
Dissatisfaction with the Treaty of Versailles. Germany – having surrendered in 1918 – were forced to sign a treaty which included Germany taking the blame for World War One, reducing territories, agreeing to disarm and significantly diminish the military, and agreeing to pay roughly 6.6 billion pounds in reparations.
What was Hitler's main goal?
Hitler had established one of his key aims as leader of the Nazi party to be domination of Europe, which he clearly sought by force. In early 1939, Britain and France warned Germany that an invasion of Poland would cause them to declare war, so when, in September 1939, Hitler invaded Poland, war broke out in Europe.

The Rise of Dictators and Their Imperialist Ambitions
The Treaty of Versailles and The Desire For Revenge
- Hitler was able to ascend to power in Germany in part because he was successful in tapping the anger of the German people in response to the terms of their surrender in the First World War. The Treaty of Versaillescompelled Germany to give up large amounts of territory, and pay war reparations, which significantly damaged the German economy. Hitler promised his people reve…
The Great Depression
- The economic ruin brought on by the Great Depression of the 1930s helped bring about the rise of many extremist movements in Europe, of which Nazism and fascism were just two. During the Depression, the Nazis and fascists did battle with the communists, but it was the former movements who emerged victorious in the end.
Pre-Wwii Conquests
- Before WWII had officially begun, the powers that would merge to form the Axis had already launched campaigns of conquest. Shortly after Hitler came to power, he managed to seize control of Austria and part of what was then Czechoslovakia without any major combat operation. Italy had already conquered both Ethiopia and Albania, and Japan was expanding its imperial realm d…
The Failure of Appeasement
- One leader of the Western powers, British Prime Minister Neville Chamberlain, believed he could placate Adolf Hitler by appeasing him, thus allowing the Nazi dictator to take a small bit of territory in Czechoslovakia without provoking a war, and getting Hitler to promise that future territorial disputes would be resolved through non-violent means. But just a few months later, Hit…
Overview
The causes of World War II, a global war from 1939 to 1945 that was the deadliest conflict in human history, have been given considerable attention by historians from many countries who studied and understood them. The immediate precipitating event was the invasion of Poland by Nazi Germany on September 1, 1939, and the subsequent declarations of war on Germany mad…
Further reading
• Bell, P. M. H. The Origins of the Second World War in Europe (1986). p. 326
• Boyce, Robert, and Joseph A. Maiolo. The Origins of World War Two: The Debate Continues (2003) excerpt and text search
• Carley, Michael Jabara 1939: the Alliance that never was and the coming of World War II, Chicago: I.R. Dee, 1999 ISBN 1-56663-252-8.
Ultimate causes
By the end of World War I in late 1918, the world's social and geopolitical circumstances had fundamentally and irrevocably changed. The Allies had been victorious, but many of Europe's economies and infrastructures had been devastated, including those of the victors. France, along with the other victors, was in a desperate situation regarding its economy, security and morale and u…
Proximate causes
Hitler and his Nazis took full control of Germany in 1933–34 (Machtergreifung), turning it into a dictatorship with a highly hostile outlook toward the Treaty of Versailles and Jews. It solved its unemployment crisis by heavy military spending.
Hitler's diplomatic tactics were to make seemingly-reasonable demands and t…
Declarations of war
Between 1919 and 1939, Poland had pursued a policy of balancing between the Soviet Union and Nazi Germany and agreed to non-aggression pacts with both. In early 1939, Germany demanded for Poland to join the Anti-Comintern Pact as a satellite state of Germany. Poland, fearing a loss of independence, refused. Hitler admitted to his generals on 23 May 1939 that his reason for invading Pol…
See also
• 1930s
• Areas annexed by Nazi Germany
• Diplomatic history of World War II
• European Civil War
• European interwar economy
External links
• France, Germany and the Struggle for the War-making Natural Resources of the Rhineland—Explains the long term conflict between Germany and France over the centuries, which was a contributing factor to the World Wars.
• The Way to Pearl Harbor: US vs Japan
• Czechoslovakia primary sources
The Impact of The Great Depression on Japan
Japan Invades Manchuria
Japan Continues to Expand
Japanese Attack on Pearl Harbor
Causes of World War 2 in Europe
- Meanwhile, in Europe, war had been raging for over two years. Germany had provoked the allies with their annexation of neighboring territories and again the initial motivations for aggressive territorial expansion were primarily economic. The Great Depression had a profound effect on Germany hard, but another important factor restricting the econom...
Impact of The Treaty of Versailles on World War 2
Adolf Hitler’s Impact on World War 2
Hitler’s Defiance of Military Restrictions
What About The League of Nations?
Causes of World War 2 References