Key term for OCR GCSE History A, used in The USA 1945–1974.
A term used by investigators to describe individuals suspected of "un-American thoughts" or spreading propaganda, rather than engaging in actual espionage.
Subversive appears in OCR GCSE History A revision content for Non-British Depth Studies, especially The USA 1945–1974 and Post-war Challenges 1945–1954.
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