It is "<span>extension of slavery."
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The answer for this question would be FALSE because congress can establish naturalization laws.
Answer:
Progressives were interested in establishing a more transparent and accountable government which would work to improve U.S. society. These reformers favored such policies as civil service reform, food safety laws, and increased political rights for women and U.S. workers
Answer:
Correct answer is A. turned over documents proving that Soviets were trying to infiltrate the U.S. government.
Explanation:
Option A is correct because this event created a massive retaliation in the United States, where many people were marked as Communists, sometimes even without evidences.
Venona project was started during WW2 with a goal to decrypt messages that were sent by Soviet intelligence agencies.
McCarran Act was introduced in 1950, with a goal to act against Communism in US.
D is also not correct as many in Hollywood were marked as Communist and there were testimonies against them even on courts.