How did increased tensions between the united states and the soviet union during the cold war contribute to the rise of mccarthyism? a. by leading americans to oppose u. s. foreign policies that antagonized communist countries b. by increasing americans' worries about foreign enemies infiltrating the u. s. government c. by decreasing americans' support for u. s. participation in international organizations d. by convincing americans that the u. s. government should more strongly protect free speech

B. By increasing Americans' worries about foreign enemies infiltrating the U.S. government.

Explanation:

In the 1950s, during the cold war, there was an intense anti-communist policy in the United States. US Senator Joseph McCarthy instituted a campaign of persecution of communists in US territory that became known as Macartism. McCarthy claimed that in the United States would be thousands of infiltrated communists, Soviet agents acting as spies, articulating some movement against the country. The senator, claiming patriotism, appealed to US society to denounce the communists. The rise of McCarthyism was influenced by the heightened concern of Americans about foreign enemies infiltrating the US government.

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