The Nazis would have lost whenever they attacked Soviet Russia. As Victor Davis Hanson said, Hitler was successful in small border wars against his neighbors and never realized that war against Russia was a different game. When he did invade Russia, his supply lines became too long and his short-range attack strategy could not destroy Soviet manufacturing far behind the lines. Later in the war, Russian forces were more mobile than German forces which relied heavily on horses. The Russians had all those American lend-lease trucks.
