Answer: 1. The Secret Build Up of Germany's Military
2. Hitler's First Hand Experence in WWI
3. Hitler's Massive Support and his Morale in the Germans
4. His Hate towards the League of Nations, and the Way Germany was treated in the aftermath of WWI
5. His Facist Beliefs that only Pure Germans of Pure German Blood and Decent are the "Superior Race over any other" and His Anti-Semetic Beliefs that the Jews were Inferior, along with many different types of people, and those with a Genetic Disorder are Inferior to this "New Race".
Step-by-step explanation: