Karl Haushofer
Moreover, the geopolitical interpretations of national living-space of the academic Karl Haushofer (a teacher of Rudolf Hess, Hitler's deputy), provided Adolf Hitler with the intellectual, academic, and scientific rationalisations that justified the territorial expansion of Germany, by the natural right of the German Aryan race, to expand into, occupy, and exploit the lands of other countries, regardless of the native populations. In , Hitler explained the living-space "required" by Nazi Germany: