| A | B |
|---|
| Central Plains | flat area in the middle of the country |
| two parts of the Central Plain | Interior Lowlands and the Great Plains |
| Heartland of America | nickname for the Central Plains due to location and agriculture |
| greatest resource of Central Plains | rich soil |
| Industries of Central Plains | steel, fertilizers, meat-packing |
| landlocked | surrounded by land |
| canal | a waterway that is built to connect two bodies of water |
| Great Lakes | 5 large lakes that separate the USA from Canada |
| Mississippi River | largest river in America |
| tributaries | small rivers and streams that flow into larger ones |
| drought | shortage of rain |
