| A | B |
|---|
| coastal plains | found along the Atlantic Ocean and the Gulf of Mexico |
| Central Plains | the wetter, eastern portion of the interior plain |
| Great Plains | the drier, Higher altitude portion of the interior plain |
| basin | large bowl-shaped region into which waterdrains |
| New England | the 6 states in the northeastern corner of the United States |
| Middle Atlantic States | New York, Pennsylvania, New Jersey, Delaware, and Maryland |
| truck farming | growing of fruits and vegetables for sale in nearby cities |
| agribusiness | large scale farms run by corporations |
| fall line | the boundary between the Atlantic Coastal Plain and the Piedmont |
| plantation | large farms found in the south once run with slave labor |
| Mount McKinley | the highest point in the United States |
| Death Valley | the lowest point in the United States |
| piedmont | foothills of the Appalachian mountains |
| representative democracy | the people elect others to run the government for them |
| federal system | government in which powers are shared by national, state, and local levels |
| legislative branch | makes laws |
| executive branch | carrys out laws |
| judicial branch | interprets the laws |
| Congress | head of the legislative branch |
| President | head of the executive branch |
| Supreme Court | head of the judicial branch |
| bicameral | a lawmaking body made up of two parts |
| Constitution | the written plan of government of the United States |
| free enterprise | the economic system of the United States |
| BosWash | name given to the megalopolis in the Northeast |
| ChiPitts | name given to the megalopolis in the Midwest |
| SanSan | name given to the megalopolis in the West |
| Mesabi Range | iron ore mining area of Minnesota |
| textiles | important industry in the South (clothing) |
| Silicon Valley | computer manufacturing area of California |
| Aircraft manufacturing | important industry in the Seattle area |
| Puerto Rico | territory belonging to the United States |
