Policy"—to outlining the need for the new "living space" for Germany. He claimed that achieving required political will, and that the Nazi movement ought to strive to expand population area for the German people and acquire new sources of food. became the principal foreign-policy goal of the Nazi Party and the government of Nazi Germany (1933–45). Hitler rejected the restoration of the pre-war borders of Germany as an inadequate half-measure towards reducing purported national overpopulation. From that perspective, he opined that the nature of national borders is always unfinished and momentary, and that their redrawing must continue as Germany's political goal. Hence, Hitler identified the geopolitics of as the ultimate political will of his Party: The ideologies found at the root of Hitler's implementation of modeled that of German colonialism of the New Imperialism period as well as the American ideology of manifest destiny. Hitler had great admiration for the United States' territorial expansion and was fascinated by the genocide of Native Americans that took place during the United States' westward expansion and used this in part for justification of German expansion. He believed that in order to transform the German nation into a world superpower, Germany had to expand their geopolitical presence and act only in the interest of the German people. Hitler had also viewed with dismay the German reliance on food imports by sea during the First World War, believing it to be a contributing factor to Germany's defeat in the war. He believed that only through could Germany shift "its dependence for food... to its own imperial hinterland". At a conference in 1941, Hitler stated: sequel, 1928 In the unpublished sequel to , the Zweites Buch (1928, Second Book), Hitler further presents the ideology of Nazi , in accordance with the then-future foreign policy of the Nazi Party. To further German population growth, Hitler rejected the ideas of birth control and emigration, arguing that such practices weakened the people and culture of Germany, and that military conquest was the only means for obtaining : Therefore, the non-Germanic peoples of the annexed foreign territories would never be Germanised: Foreign-policy prime directive The conquest of living space for Germany was the foremost foreign-policy goal of the Nazis towards establishing the Greater Germanic Reich that was to last a thousand years. On 3 February 1933, at his initial meeting with the generals and admirals of Nazi Germany, Adolf Hitler