The end of world war2 led to the cold war. Cold war is the term used to describe the intense rivalry that developed after ww2 between groups of communist and noncommunist. After ww2 the u.s. And the soviet union were the superpowers of the world. After ww2 soviet forces occupied northern Korea. The cold war started in 1947. Though the cold war did not begin until states and the soviet union had been strained since 1917. During the cold war, the united states and the soviet union did not fight each other directly, it was more of an argument of who had the better stuff. Two major crises of the Cold War involved the German city of Berlin. The war had an impact on american society, and continued until the collapse of the soviet union.