Was Hitler's world conquest doomed from the start? Use detail and examples in your answer.

Two years into the war, in September 1941, German arms seemed to be carrying all before them. Western Europe had been decisively conquered, and there were few signs of any serious resistance to German rule. The failure of the Italians to establish Mussolini's much-vaunted new Roman empire in the Mediterranean had been made good by German intervention. German forces had overrun Greece, and subjugated Yugoslavia. In north Africa, Rommel's brilliant generalship was pushing the British and allied forces eastwards towards Egypt and threatening the Suez canal. Above all, the invasion of the Soviet Union in June 1941 had reaped stunning rewards, with Leningrad (the present-day St Petersburg) besieged by German and Finnish troops, Smolensk and Kiev taken