| A | B |
|---|
| Harbor cities in the Northeast | New York City, Boston, Philidelphia |
| Two factors that helped cities of the Northeast grow quickly | transportation and plentiful natural resources |
| Where did businesses and cities grow? | Where water transportation was easy |
| What does the prefix im- mean? | in |
| What does the prefix ex- mean? | out |
| What is the definition of import? | An item that is brought into the United States from another country to be offered for sale. |
| What is an example of an import? | clothing that is manufactured in China |
| What is the definition of export? | An item sent from the United States to be sold in another country. |
| What is an example of an export? | American films |
| A northeast city that grew beside a river? | Pittsburgh, Pennsylvania |
| A northeast city that grew beside a canal? | Buffalo, NY |
| City landmarks include the Liberty Bell and Independence Hall | Philadelphia, Pennsylvania |
| Three important ingredients for making steel | Coal, limestone, iron ore |
| Example of diverse industries | health-care, advertising, technology, environmental research |
| What are the benefits to a healthy economy? | An area becomes an excellent place to live, work, and visit. |
| An example of commerce | Many states bought their steel from Pittsburgh, Pennsylvania for railroads, bridges, and skyscrapers |
| Definition of commerce | buying and selling of goods between different places |
