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| 5188612487 | The United States | -1783 Treaty of Paris |  | 0 |
| 5188617318 | Florida | -1819 Adams-Onis Treaty |  | 1 |
| 5188631647 | Louisiana Purchase | -1803 purchased from France |  | 2 |
| 5188659752 | Texas | -1845 annexed by Congress |  | 3 |
| 5188668523 | Gadsden Purchase | -1853 purchased from Mexico |  | 4 |
| 5188674823 | Mexican Cession | -1848 Treaty of Guadalupe-Hidalgo |  | 5 |
| 5188743142 | Oregon Country | -1846 agreement with Britain |  | 6 |
| 5188829208 | Main | -1842 Webster-Ashburton Treaty |  | 7 |
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