Which best decribes the cold war? a) a lessening of tensions between u. s. and soviet union begun to insure a lasting peace between superpowers. b) any struggle between the opposing forces of good and evil. c) a legal state created by a declaration of war and ended by official declaration during which the international rules of war apply. d) this period of time following world war ii is where the united states and the soviet union emerged as superpowers and faced off in an arms race that lasted nearly 50 years.