Final answer:
Germany annexed Austria, known as the Anschluss, to unite all German-speaking people into the Third Reich. The annexation was justified by Hitler's regime through a combination of force, intimidation, and propaganda.
Step-by-step explanation:
In March of 1938, Germany annexed Austria, an event known as the Anschluss. This annexation was justified by Hitler and the Nazis as a means of uniting all German-speaking people into the Third Reich. Hitler used a combination of force, intimidation, and propaganda to orchestrate the union of Austria and Germany. The German army occupied Austria, and a majority of Austrians supported the annexation, influenced by the actions of Austrian Nazis and the German government.