The Republican Party and the right of the American liberal establishment colluded in the immediate post war years to wage war against the American left. The Republicans saw it an opportunity to undermine the New Deal years and their liberal collaborators view of the illiberalism of the Soviet Union justiified any and all political crack downs on those they viewed as Soviet agitators in the USA. The chief target for accusations of subversion was the Communist Party of the USA, but actual Soviet intelligence work against America almost always bypassed the party, meaning that the claims of suberversion were hollow.
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