Red Scare. The communis hysteria in the US during the 1950s.

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…to savor personal freedoms America reacted harshly against mere hint of communism. The result of these harsh actions towards communism were the near downfall of American society. False propaganda exploded the fears of the citizens whom intern reacted harshly to any notion of communism. The effect this 'Red Scare' had on America was quite opposite to its original intentions, rather than preserve the rights of its citizens, it raped them of their ideals, and liberties.