Sources


 * "Oregon Time Line." //A Place Called Oregon - Main Index & Menu Page//. N.p., n.d. Web. 29 Apr. 2011. .


 * 1814, Gilbert Stuart. Before peace was concluded in December, 1815, American forces, under General Jackson, which takes place after the Treaty of Ghent has been signed, and is the most decisive American victory of the war.. "Adams-onis Treaty." //Adams-onis Treaty//. N.p., n.d. Web. 29 Apr. 2011. .


 * "The Border | 1819 The Adams-Onis Treaty." //PBS: Public Broadcasting Service//. N.p., n.d. Web. 29 Apr. 2011. .


 * "Westward Expansion." //The Civil War//. N.p., n.d. Web. 29 Apr. 2011. .


 * "The Treaty of Guadalupe Hidalgo." //National Archives and Records Administration//. N.p., n.d. Web. 29 Apr. 2011. .


 * "Gadsden Purchase James Gadsden." //The Progress Report -- Independent Daily News//. N.p., n.d. Web. 4 May 2011. .


 * "Resolution Annexing Texas to the US." //Lone Star Junction: A Texas and Texas History Resource//. N.p., n.d. Web. 4 May 2011. .


 * 1803, and the United. "Louisiana Purchase." //Gateway New Orleans: You are using an invalid IP//. N.p., n.d. Web. 4 May 2011. .