Many issues involving imperialism and unresolved problems resulting from WWI caused the devastating World War II. Since Germany was blamed for the start of WWI, the Treaty of Versailles was dictated that Germany should admit guilt and pay billions in reparations. People felt the treaty was unfair and they couldn't recover from the effects of war. With all these conflicts, Adolph Hitler emerged as a leader to arouse ideas of nationalism. He wanted to "purify" the Aryan race in Germany. On the other side of the world, Japan was in the effort of expanding its territory. There weren't enough natural resources, so Japan invaded countries like Korea and China. Also, the United States restricted oil shipments to Japan. Japanese aircraft attacked Pearl
