| A | B |
| river valleys | natural features that served as trade route, railroad routes and modern highway routes |
| New England | six-state region of the Northeast |
| megalopolis | very large city created when the outer edges of one city reach the edges of another city |
| Appalachians | a mountain rage that runs through the Northeast |
| water wheels | devices used by early industrialists to convert water power into machine power |
| Valuable resource of the Northeast | water |
| Soil in the northeast is | thin soil and steep hills, not good for farming |
| Industrial revolution occured early in the Northeast because | Water supply |
| Cities along the Atlantic coast grew in importance as | Harbors and shipbuilding centers |
| Concerns in the Northeast are | water shortages |