(answer the best you can, ) explain the cold war. what were the main differences between each side?

The Cold war was a series of Proxy Wars, The Cold war began shortly after the end of World War 2, since Germany was overthrown the only superpowers left were U.S and Soviet Union (Present day Russia) They differences were that Soviet Union was a communist country and the U.S was a Captialist country, they both came very very close to Nuclear War since they both were making Nuclear Bombs, they also had Proxy Wars (Wars that were fought between 2 countries but not on their soil) Korean War, Vietnam, Grenada etc, the Soviet Union fell in 1991.