Westward Expansion By gracec3 May 14, 1803 Lewis and Clark expidition Apr 30, 1804 Louisiana Purchase Jun 18, 1812 War of 1812 Mar 3, 1820 Missouri Compromise Apr 25, 1846 Mexican American War Jun 24, 1848 California Gold Rush Jan 29, 1850 compromise of 1850 May 20, 1862 Homestead Act of 1862
