Key term for OCR GCSE History A, used in International Relations 1918–1975.
An international alliance formed in 1954 to contain communism in Asia, which provided the legal justification for US intervention in Vietnam.
Southeast Asia Treaty Organization (SEATO) appears in OCR GCSE History A revision content for International Relations Period Study, especially International Relations 1918–1975 and Cold War Confrontations 1954–1975.
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