Westward Expansion By geskey Apr 11, 1803 Louisiana purchase Dec 24, 1814 Treaty of Ghent Period: Jan 1, 1818 to Dec 31, 1846 Continentalism Oct 20, 1818 Treaty of 1818 Feb 22, 1819 Purchase of Florida May 26, 1830 Indian Removal Act Nov 9, 1835 Texas Rebellion Dec 29, 1845 Annexation of Texas Sep 9, 1850 Annexation of Califormia Apr 12, 1861 Civil War May 20, 1862 Homestead Act
