Westward Expansion By Tiapruitt9 1817 John Quincy Adams http://www.american-historama.org/1801-1828-evolution/erie-canal.htm 1818 James Monroe http://www.american-historama.org/1801-1828-evolution/1818-convention-49th-parallel.htm 1819 Treaty and the purchase of Florida http://www.american-historama.org/1801-1828-evolution/adams-onis-treaty.htm 1821 presidency Trail http://www.american-historama.org/1801-1828-evolution/santa-fe-trail.htm 1823 Monroe Doctrine http://www.american-historama.org/1801-1828-evolution/monroe-do 1824 John Quincy Adams http://www.american-historama.org/1801-1828-evolution/general-survey-act-1824.htm 1828 Baltimore & Ohio http://www.american-historama.org/1801-1828-evolution/railroads-in-the-1800s.htm 1838 Trail of Tears http://www.ducksters.com/history/native_americans/trail_of_tears.php 1841 Trail of Tears http://www.ducksters.com/history/native_americans/trail_of_tears.php 1845 Manifest Destiny http://www.ducksters.com/history/westward_expansion/timeline.php