What forces at work in Europe played the greatest role in helping to prompt the breakout war?

Why is nuclear warfare bad? How many Japanese carriers were sank at the Battle of Midway? Who are the characters in the story War Horse? Did Germany started a war? How did Charles Lindbergh respond to the war in Europe? Who was the American general who led the allies in the d-day invasion? Why did the Third Reich fail? What is the meaning of each color on the Chinese flag? What war does this describe English and Spanish land disputes raiding ships on the high seas severed ear that outraged England? Why did the western front take place in such a small area? What would be in found in the castles grounds? What was the purpose of drainage ditches in world war 1? What wars were fought in North Dakota? When second world war began? What is a way militarism would make war more likely? How does militarism affect diplomacy? What was the shelter they had during the westward expansion? What Unit was the 1341st Combat Engineers with before serving at Saipan and Tinian with the 4th Marine Division? Effects of shellshock in WW1? What was Robert catesbys job before the gunpowder plot?