Answer :
From 1949 to 1954, a wave of anti-communist hysteria that included book burnings and investigations of over six million people spread across The United States.
The anticommunist movement additionally promoted domestic political conservatism. President Franklin D. Roosevelt (1882–1955), who defeated Republican candidates in an unprecedented four straight presidential elections starting in 1932, had a profoundly unsettling effect on conservative elites. Roosevelt's New Deal was compared by conservative detractors to an advancing socialist system. In reality, though, his plans had lacked any such steady direction, instead being a patchwork—and a fairly desperate one at that—of attempts to bring about relief and recovery in the midst of the Great Depression.
The 1945 Yalta Conference, which was first hailed as a tremendous achievement of wartime diplomacy, came to be seen by anticommunist crusaders as a venue for appeasing the USSR in the early years following World War II.
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