Final answer:
The McCarthyism Red Scare targeted Hollywood due to the US government's fear of communist propaganda influence potential.
Step-by-step explanation:
The McCarthyism Red Scare targeted Hollywood because the US government feared the propaganda influence potential for communist ideas in Hollywood. Many people in Hollywood were accused of being communists and were blacklisted, which meant they could not work in the entertainment industry. However, it is not accurate to say that almost everyone in Hollywood was a communist or that the Red Scare targeted Hollywood because of specific individuals like Julius and Ethel Rosenberg or Lucille Ball.
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