When Hilter deceided to launch his 1 of Russia, he thought that nothing could 2 of his enemies. 3 , it seemed, was inevitable. He had suprise on his side, 4 Stalin off his guard by 5 his attack without a 6 of war. Hilter expected the 7 to last only a few months. In the event, it was to 8 for much longer. Like Napoleon before him, he had made a fatal mistake in failing to 9 the severity of Russian weather. Many German soldiers were to die from the cold as winter set in, bringing the German advance to a 10 .