Hitler, in my opinion, had three core ideas. These ideas were racism (wanting a pure master race), Nationalism, and Anti Communism. It was these core ideas that gained the support of the German people. You can see many of Hitler's views incorporated into the German Workers' Party's Twenty-Five Point Programme.
Non-Germans, sharing the land and businesses of the German people, was not acceptable to Hitler. He wanted Germany to house only German people. This belief was used to unite different groups of Germans such as the rich and the poor and the rural and urban, which had began to drift apart due to rapid industrialization. Many of the Twenty-Five Point Programme represented Hitler's views. For example: Point 1- We demand the union of all Germany in a Greater Germany on the basis of the right of national self-determination, Point 4-Only members of the nation may be citizens of the State.
Only those of German blood, whatever be their creed, may be members of the nation. Accordingly, no Jew may be a member of the nation, Point 8- All non-German immigration must be prevented. We demand that all non-Germans who entered Germany after 2 August 1914 shall be required to leave the Reich forthwith and finally Point 9- All citizens shall have equal rights and duties. He believed there was a hierarchy of races and that slaves and Jews were at the bottom. He defined Jews as a racial class not a religion. He wanted Germany to achieve racial purity.
Nationalism consisted of repossession of the land which had been lost through the Treaty of Versailles. Expansion into Eastern Europe and Russia was also thought of partly for acquiring additional land to expand his master race but also expansion into Russia would have destroyed the center of communism. This would...