WORLD HISTORY

Detailed explanation-1: -Washington and Moscow competed in numerous ways: over money and natural resources like oil, over allies, over weapons technology, over influence and prestige, over space exploration, over ideas. The Cold War relationship between the two rival nations was often tense.

Detailed explanation-2: -Postwar Soviet expansionism in Eastern Europe fueled many Americans’ fears of a Russian plan to control the world. Meanwhile, the USSR came to resent what they perceived as American officials’ bellicose rhetoric, arms buildup and interventionist approach to international relations.

Detailed explanation-3: -U.S.-Soviet Alliance, 1941–1945. Although relations between the Soviet Union and the United States had been strained in the years before World War II, the U.S.-Soviet alliance of 1941–1945 was marked by a great degree of cooperation and was essential to securing the defeat of Nazi Germany.

Detailed explanation-4: -The alliance between the United States and the Soviet Union during World War II developed out of necessity, and out of a shared realization that each country needed the other to defeat one of the most dangerous and destructive forces of the twentieth century.