Key term for AQA GCSE History, used in The Cold War: East and West (1945–1972).
The principle established in the Helsinki Accords that existing national borders cannot be changed by force.
Inviolability of Frontiers appears in AQA GCSE History revision content for Wider World Depth Studies, especially The Cold War: East and West (1945–1972) and Easing of Tension.
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