World War II was a continuation of World War I. WWI had a great impact on European countries after it ended. The treaty of Versailles declared that Germany had to pay for the war. This money debt strained their economy, which was most likely the largest factor in making Germany’s hostility greater towards other European countries. It was supposed to completely destroy Germany and left Germany boiling with anger. Sooner or later they wanted to get revenge, but first they had to get their economy back on track. The Ottoman Empire and the Armenians, and The German Nazis and Jews and other racial groups contributed to war with poisonous gas and other harmful supplies. World War I and WWII had conflicts between two powers: The Central Powers