Key term for OCR GCSE History A, used in Migration to Britain c.1000–2010.
The approach to immigration in Britain before 1905, where there were no formal legal restrictions on who could enter or settle in the country.
open-door policy appears in OCR GCSE History A revision content for British Thematic Studies, especially Migration to Britain c.1000–2010 and Migration 1900–c.2010.
British Thematic Studies
Migration 1900–c.2010
Non-British Depth Studies
The Roaring Twenties
Non-British Depth Studies
Communism After Mao 1976–1981
International Relations Period Study
Responsibility for the Cold War
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