Because Germany took on three nations who individually had greater war production than her. The USA alone quintupled her production. The USSR quadrupled her production. The British Empire (including Commonwealth partners) doubled it. The longer the war lasted, the more certain she was to lose. Military production during World War IIBecause German military campaigns were managed from Berlin and most importantly by Hitler who made BAAAAAD decisions. Germany failed to use her brilliant military leaders as brilliantly as she should have.Because occupying large tracts of land means long supply lines. As my friends in logistics say: "Distribution is EVERYTHING!" Germany just didn't have the distribution needed for long-term war and the distribution of supplies needed for long-term war.89.4k Views ยท 276 Upvotes