| A | B |
|---|
| Treaty of 1846 | Treaty that ceded Pacific Northwest from Great Britain |
| States we got via Treaty of Guadalupe Hidalgo | California, Nevada, Utah, Arizona, western Colorado and New Mexico |
| 1803 | The Louisiana Purchase was negotiated this year |
| 1845 | The Independent Texas Republic was brought into the fold this year |
| Webster-Ashburton Treaty of 1842 | This treaty established our eastern border with Canada |
| Adams-Onis Treaty, 1819 | This treaty brought us Florida |
| Convention of 1818 | This agreement established our Canadian border above Montana, North Dakota, and Minnesota |
| Pinckney's Treaty with Spain, 1795 | This treaty brought us southern Mississippi and Alabama |
| Gadsden Purchase | An 1853 deal with Mexico that got us a small chunk of southern Arizona and New Mexico |
| Treaty of Paris, 1783 | This treaty gave us everything from the Appalachians to the Mississippi |
| Seward's Folley | This is how we got Alaska in 1867 |
| August 12, 1898, in Hawaii | We sign an agreement with Queen Liliuokalani |
| 17 April, 1900 (m) | The Navy takes over Western Samoa (m) |
| The Treaty of Paris II, December 10, 1898 (m) | This treaty brough us Puerto Rico and Guam (and the Phillipines) (m) |
| 1947 (m) | The United Nations grants the US Trusteeship over the Northern Mariana Islands (m) |
| 1917 (m) | The US buys Virgin Islands from Denmark (m) |
