| A | B |
| Indian Removal Act | Forced Native Americans to move west of Mississippi River |
| Trail of Tears | Cherokees were forced to march west. |
| Underground Railroad | A secret system of safehouses that brought slaves to freedom. |
| War of 1812 | War between U.S. and Britain |
| Seneca Falls Convention | Women's rights meeting organized by Elizabeth Cady Stanton. |
| Manifest Destiny | Belief that the U.S. should stretch from ocean to ocean. |
| War with Mexico | Event that allowed the U.S. to gain control of the territory of Texas. |
| California Gold Rush | Resulted in economic growth and immigration to the far western U.S. |
| Industiral Revolution | A change in the main kind of work done in the U.S. |