After becoming dictator, Hitler took significant actions to consolidate power, including the burning of the Reichstag, banning opposing parties, and blaming socialists for Germany's problems. These actions were aimed at eliminating opposition and establishing a totalitarian regime. Ultimately, they laid the groundwork for the oppressive policies of Nazi Germany. ;
After becoming dictator, Hitler ordered the burning of the Reichstag, banned all opposing political parties, and arrested Weimar officials, among other actions. These tactics served to consolidate his power and eliminate opposition. Therefore, the answer to the question is option C: banned all opposing political parties.
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