| A | B |
|---|
| Appalachian Mountains | a mountain system in eastern North America |
| Great Lakes | a group of five large freshwater lakes in North America |
| Mississippi River | North America's longest & most important river |
| tributary | a smaller stream or river that flows into a larger stream or river |
| Rocky Mountains | rugged mountain ranges in the western United States |
| continental divide | an area of high ground that divides the flow of rivers towards opposite ends of a continent |
| colony | a territory inhabited and controlled by people from a foreign land |
| plantation | a large farm that grows mainly one crop |
| pioneers | the first settlers that traveled west in the United States |
| bilingual | people who speak two languages |
| megalopolis | a string of large cities that have grown together |
| Washington, D.C. | capital of the United States of America |
| terrorism | violent attacks that cause fear |
| Boston | the capital of Massachusetts |
| Detroit | a large U.S. city in Michigan |
| Chicago | a major U.S. city and port in northeastern Illinois on Lake Michigan |
| Seattle | a major U.S. port and city in Washington State |
