What was the reason behind World War II?
What was the real cause of World War 2?
What was the cause for World War 1? What was the main cause of World War One? What were the causes for World War 1? What was the main cause that ended World War One? What were the causes of World War I? What were some of the most important causes behind World War 1? Why did World War 1 take place? What were the political causes? How do you describe the causes of World War 1? What were the main and most important political causes of World War 1? What were some of the causes of World War V? What were the immediate and most important causes that led to World War 1? Why did World War 1 started? What were the effects? What were the main and most important social causes of World War 1? What were the main causes of World War 1 and what were the consequences for the countries involved? What is the real reason for World War One? What caused World War I? What were the causes of ww1 war? What was the immediate cause of the First World War? What were the most influential political causes of World War I? How and why did the world war 1 start? What are the reasons for World War 1? What were the causes of the First World War? What were the main and most important economical causes of World War 1? Why was World War 1 fought? What situations led to World War 1? What were the 4 main causes of World War 1? How did each affect the outcome of the war? How, why and when did World War 1 start? When did world war 2 end? What was the cause of WW1? Why did the U.S. become involved in World War II?