What was the impact of the 1939 Molotov-Ribbentrop Pact on the initial events of World War 2? How did Pact of Neutrality Between the Union of Soviet Socialistic Republics and Japan affect Russian response to the 1941 German Invasion and the 1941 Japanese decision to attack Pearl Harbor? Why did Einstein seek to encourage Roosevelt to begin building an atomic weapon? What was the impact of the final result of this encouragement-the Bombing of Hiroshima?
