Answer: the USSR
Explanation: The USSR(Union of Soviet Socialist Republic) was a former communist nation in eastern Europe and northern Asia which was established in 1922 and was officially dissolved 31 December 1991. It comprised of Russia and 14 other soviet socialist republics.
McCarthyism is the name given to the period of time in American history which saw United States Senator, Joseph McCarthy of Wisconsin spearhead a series of investigations and hearings in the 1950s in a bid to expose supposed communist infiltration of various aspects of the American government.
McCarthy investigated various government departments and questioned several witnesses about their suspected communist affiliations. Even though he failed to make a plausible case against anyone, his cleverly presented accusations drove some individuals out of their jobs and brought popular condemnation to others.
But it fueled the distrust of the American peopleof the Soviet republic.