Key term for OCR GCSE History A, used in International Relations 1918–1975.
A country, such as South Vietnam, that was not an official member of a defensive alliance like SEATO but was designated as being under its military protection.
Protocol State 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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