Final answer:
In the movie Casablanca, the main antagonists are the Nazis.
Step-by-step explanation:
In the movie Casablanca, the main antagonists are the Nazis. They represent the oppressive and authoritarian regime of Nazi Germany during World War II. The Nazis are shown as the primary source of conflict and tension in the film, as they seek to exert control over the characters and interfere with their lives.
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