What situations led to World War 1?
What is the real reason for World War One?
What was the reason behind World War II? What was the real cause of World War 2? Who started World War 2 and why? When did World War One start? Why did World War II happen? What started World War 2? Who won World War 1? Why is the Seven Years War not considered a world war? Why isn't the Seven Years' War considered the first World War? Did World War 3 already start? What are some reasons Germany isn't to blame for World War 1? Why did the U.S. become involved in World War II? What started World War II? How did World War Two start? What was the main reason for the entry of the U.S. into the Second World War? What was World War II? Why is World War 2 called "World" War 2 if it didn't affect the whole world? Who started World War I and World War II? What was World War II about? What brought the Second World War? When did world war 2 end? What are unknown facts about World War 2? What is war like? Is World War 3 starting as some people are saying? What is stalemate in World War 1's history? What are three of the most significant causes of World War II? How would one describe World War 2? What is the Battle of Verdun related to the World War 1? What happened in the second world war? When did the World War end?