Mccarthyism in the 1950s is most closely associated with

McCarthyism in the 1950s is most closely associated with Wisconsin Senator Joseph McCarthy.

Explanation:

Joseph McCarthy was a key figure during the early years of the Cold War. He was one of the first American political figures, and easily the most vocal one, to publicly state that Communist sympathized had infiltrated the United States government.

His nation-wide fame brought about the term 'McCarthyism' a practice where any can be labelled as a traitor and communist without any evidence.

in 1862, president lincoln's emancipation proclamation opened the door for african americans to enlist in the union army. although many had wanted to join the war effort earlier, they were prohibited from enlisting by a federal law dating back to 1792.

explanation:

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b gas tractor

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c and negotiated lower prices for farm equipment and supplies

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d the grange

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c over 15,000 bankrupt businesses

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c people became more self-sufficient