| A | B |
| planters | farmers who owned more than 20 slaves |
| cotton gin | machine that removes seeds from short-staple cotton |
| cotton belt | area of high cotton production |
| factors | people who bought and sold crops |
| Tredegar Iron Works | one of the most productive iron works in the U.S. |
| Eli Whitney | invented the cotton gin |
| scientific agriculture | using scientific methods to increase crop production |
| sugar cane | one of the main food crops grown in the South |
| tobacco | cash crop that lost value after the Revolution |
| South | region that grew most U.S. cotton |