| Term | Definition |
| (F) The Missouri Compromise | proposed by Henry Clay |
| (F) The Missouri Compromise | Missouri would be admitted as a slave state, Maine as a free state |
| (F) The Missouri Compromise | Slavery prohibited in the Louisiana Territory above 36˚30' parallel, except missouri |
| (G) The Northwest Ordinance | 1787- 3-5 states would be formed from this Northwest Territory |
| (G) The Northwest Ordinance | 1787-territory could be admitted as a state when the population reached 60,000 |
| (G) The Northwest Ordinance | 1787-slavery prohibited in the territory |
| (H) Louisiana Purchase | 1803-from Mississippi river to rocky mountains and from canada to gulf of mexico, purchased from napoleon for $15 million |
| (H) Florida Purchase | 1812-1819 american settlers in western florida revolted against spain in 1810, land annexed in 1812. in 1819 the US purchased the eastern part of FL for $5million |
| (H) Gadsden Purchase | 1853 - small strip now in Arizona and new mexico, purchased from Mexico to provide a southern route to the west, completed the territory that became the 48 contiguous states |
| (I) The Oregon Territory | originally claimed by Britain, US, spain, and russia |
| (I) The Oregon Territory | by 1818 the spain and russia ceded rights to US and Britain |
| (I) The Oregon Territory | both US and britain occupied it jointly |
| (J) Treaty of Guadalupe-Hildago | 1848 - mexican areas of new mexico and upper California were ceded to US |
| (J) Treaty of Guadalupe-Hildago | 1848 - rio grand river as southern border of Texas |
| (J) Treaty of Guadalupe-Hildago | 1848 - US paid $15 million to Mexico for territory |