How was the German sword forged, in other words, how did Hitler prepare his state and his army to conquer the world? - this question interests everyone who wants to comprehend the history of the Second World War in its entirety. Hans Kerl, an employee of the Imperial Ministry of Economics, once remarked that "a powerful military economy is a prerequisite for successful warfare." The advance militarization of the German economy and the restructuring of all industry on a military track were one of the foundations of the blitzkrieg concept, which, it seems, was justified in the early years of World War II, until the end of 1941. And then?..