The Soviet Union did not start the war, and was not allied with Germany. Germany quite clearly started the war with its invasion of Poland, and without that de

The Soviet Union did not start the war, and was not allied with Germany. Germany quite clearly started the war with its invasion of Poland, and without that decision, there would have been no war. They two countries had a non-aggression pact, and an agreement not to interfere with each other's spheres of influence. The Soviets knew full well that the Germans planned to invade the USSR, and the point of the non-aggression pact was to delay that invasion until the Red Army was capable of fighting a war.