Final answer:
Adolf Hitler was Germany's fascist dictator after World War I. He established the Third Reich, a single-party dictatorship based on the totalitarian and autocratic ideals of National Socialism (Nazism), and initiated World War II.
Step-by-step explanation:
The fascist dictator who ruled Germany after World War I was Adolf Hitler. Hitler's reign began in 1933 following his appointment as Chancellor. He was able to consolidate power and transform the Weimar Republic into the Third Reich, a single-party dictatorship based on the totalitarian and autocratic ideals of National Socialism, or Nazism. Under Hitler's leadership, Germany initiated World War II with the invasion of Poland in 1939 and was responsible for the holocaust which led to the genocide of six million Jews.
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