United States Western Expansion

Map of the western expansion of United States in the 18th and 19th century.

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The map including Florida Cession from Spain (1819), Louisiana Purchase from France (1803), Texas Annexation (1845), Mexican Cession (1848), Gadsden Purchase from Mexico (1853), Oregon Country Annexation from Great Britain (1848) and other territorial gains from 1783 to 1853.