| A | B |
| Antifederalists | Against ratification of the Constitution |
| Federalists | For ratification of the Constitution |
| Land Ordinance of 1785 & NW Ordinance | Helped to settle the NW Territory |
| Abraham Lincoln Elected 1860 | Southern states secede |
| urbanization | Rapid growth of cities |
| 1861-1865 | Length of the Civil War |
| Eli Whitney | invented the Cotton Gin |
| War of 1812 | War between US and Britain |
| John Brown | Led the attack/raid on Harper's Ferry |
| France | US purchased the Louisiana Territory from |
| Manifest Destiny | US had the right tol extend boundaries from Atlantic to Pacific |
| Temperance | Drinking little or no alcohol |
| Missouri River | River explored by Lewis and Clark |