Which of the following events contributed to joseph mccarthy's rise to power during the early 1950s?
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the house un-american activities committee was formed.
alger hiss was prosecuted and convicted as a soviet spy.
the senate passed a resolution to censure mccarthy.
republicans gained control of both houses of congress.
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answer is d

Republicans gained control of both houses of Congress.

Explanation:

After Republicans gained control of both houses of Congress, They appointed Joseph Mccarthy chairman of the Committee on Government Operations and its Subcommittee on Investigations.

By leveraging the power that come with his position, joseph mccarthy started to initiated investigations toward the government officials that he believed as a communist.

This created a huge paranoia in united states, most commonly known to as the red scare.He used this paranoia to turn the public against his political rivals, by convincing the people that his rivals are communist. This made him able to obtain a lot of power in early 1950s.

this is true