APUSH Period 4 By rylancoov 1803 Louisiana Purchase 1804 Louis and Clark Expedition 1807 Embargo Act 1810 Fletcher v. Peck Period: 1812 to 1815 War of 1812 1820 Missouri Compromise 1828 Revolution of 1828 1830 Indian Removal Act 1831 Cherokee Trail of Tears 1832 Nullification Crisis