What was the main cause of World War One?
What was the main cause that ended World War One?
What was the real cause of World War 2? What were the main causes behind the start of World War 2 and how did the world react? When did the World War end? What was the reason behind World War II? When did World War One start? When did world war 2 end? What started World War 2? What started World War II? What are three of the most significant causes of World War II? Who started World War 2 and why? Why did World War 2 happen? How did the World War II end? Why did World War II happen? How did World War Two start? Who started World War I and World War II? What were the main countries involved in World War 1? How did they got involved? What was World War II? When and how did WWII start and end? Why World War 2 start and how? What were the impacts of World War 2 in Europe? What brought the Second World War? What was World War II about? How and when did WWII start and end? Where did World War II get its name from and which civilization suffered the greatest impact? What important events happened in World War 2? Why did Russia, Germany, France and UK enter World War 1? Why did the U.S. become involved in World War II? If World war 3 happened, what countries would likely start the war and why? Why is World War 2 called "World" War 2 if it didn't affect the whole world? What battles, prior to World War One, did most to affect the course of human history? What happened in the second world war?