Key term for AQA GCSE History, used in America: Expansion and Consolidation (1840–1895).
The boundary established in 1830 separating white settlements in the East from Native American lands in the West.
Permanent Indian Frontier appears in AQA GCSE History revision content for Period Studies, especially America: Expansion and Consolidation (1840–1895) and Resolution of 'The Indian Problem'.
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