<span>The red scare that lay the ground for
</span><span>mccarthyism </span><span> was sparked off by numerous success stories of the communist forces.
The success of communism forces in china, and the increased mentions of soviet nuclear bombs and the discovery of several agents from USSR in the USA territory led to red scare that reached its peak with the sputnik news.
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Answer:
Because of terrorist attacks, new laws and policies, and better safety.
