The correct answer for the question that is being presented above is this one: "Hitler used propaganda, terror tactics, secret police (Gestapo), he outlawed other political parties, and made the army swear personal allegiance to him. <span>The Nazi-Soviet Pact was a 10 year Nonaggression pact that Germany signed with the Soviet Union in 1939 (which Hitler obviously broke a mere 2 years later). "</span>
The reasons why World War I happened are multiple and complex. One important is the fact that Germany lacked any real colonies prior to World War I, at least compared to the other nations which had massive and important colonies such as Great Britain or France. Another thing was general dissatisfaction and nationalism within the Austro-Hungarian empire.
