Example image of eyePlorer eyePlorer map for 'Territorial changes of the United States': American Revolutionary War United States Nation state Native Americans in the United States Liberia Nicaragua Protectorate Treaty of Paris (1783) Aroostook War Machias Seal Island North Rock Republic of Indian Stream Webster–Ashburton Treaty Louisiana Purchase Robert Livingston (1746–1813) Thomas Jefferson James Madison West Florida Tristan da Cunha Salem, Massachusetts War of 1812 Ascension Island Napoleon I of France Saint Helena Red River Valley Treaty of 1818 Adams–Onís Treaty East Florida Oregon Country Sabine Free State Colorado Republic of Texas Texas Annexation Antonio López de Santa Anna John Tyler James K. Polk Capture of Santa Fe Rio Grande Texas Santa Fe Expedition Siege of Pueblo de Taos Treaty of Guadalupe Hidalgo 49th parallel north Oregon boundary dispute Oregon Treaty Pig War San Juan Islands Gadsden Purchase Mexican Cession Mexican–American War Mexico – United States border
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