On December 7, 1941, for the first time since the War of 1812, a foreign power crippled the American Naval power in the pacific. Japanese planes bomb the Naval Base, Pearl Harbor in Hawaii. Japan destroyed the American fleet and had hope they would be established as dominant power. Ten days later, America had joined in World War II. Allied leaders head a conference to formulate plans for the postwar world. Included were Churchill, Stalin and Roosevelt. They met at Tehran, Iran, in 1943, and in the southern Soviet Union at Yalta in 1945. “At the Potsdam conference, the Allied leaders establish a military administration for German and Agreed to place top Nazi leaders on trial for war crimes” (Foner 900). A meeting took place with forty-five