How was the united states transformed by the first red scare?

the federal government made halloween a national holiday.
president franklin roosevelt declared war on the soviet union.
congress passed legislation outlawing the creation of political parties based on communism.
congress formed the house un-american activities committee.

Congress passed legislation outlawing the creation of political parties based on communism.  

Explanation:

In the history of the United States, the term red threat or red danger refers to two periods of strong development of anticommunism in the United States.

This period is characterized by the criminalization of communist or anarchist political opinions, the widespread dread of a communist infiltration into the American government, or an anarchist or communist revolution that could overthrow the capitalist order in force in the United States, imposing a communist dictatorship, as in the USSR . This diffuse dread gave way to aggressive investigations, the arrest of ideologically suspicious people or in any way associated with communist or socialist movements, and the Senate's ban on the creation of political parties with communist bias.

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answer: i think it might be the last one

explanation: