America and (USSR)Russia were the two superpowers of the cold war. America was the democracy side and they were trying to beat the USSR. America was more advanced in World War II and Russia was actually very technology unadvanced. After World War II, the USSR caught up and started making nuclear weapons. The USA was responding to this and they affected the cold war by responding to the USSR's " Threats ". The USA made nuclear weapons too, competed in the space race, and much more.Hope I helped