| A | B |
| an abundance of land, a belief in rugged individualism, an economic system based on capitalism | influenced the economic development of the United States |
| the construction of the Erie Canal | led to Buffalo, Cleveland, and Detroit became important centers of trade |
| coal, oil, and natural gas | nonrenewable resources vital to the energy supply and economy of the United States |
| Chicago | grew to become the largest city in the Midwest, because it had best location along the railroad network, located centrally between the coasts. |
| many businesses and people moved to | the suburbs from the cities |
| service industries | In recent years, more and more Americans have been finding jobs in __________. |
| New York, Chicago, & Los Angeles | cities for which the entire United States and the rest of the world serve as the hinterland for |
| mild year-round climates | Cities in the South and the West have flourished in recent years because of popular preferences to live in cities that have __________________. |
| metropolitan areas | Today the majority of the American population lives in ______________________. |
| transportation technology, economic freedom and opportunity, and the hard work of the people | contributed to the economic success of the United States |
| the steam engine | important because it gave boats the power to travel against both wind and current |
| land | One of the most abundant resources in the United States, which contributed to its economic success |
| Erie Canal | linked the Hudson River in New York and the Great Lakes in the Midwest, greatly increasing the trade between the two regions |
| transportation, economic activities, popular preferences | changes in these areas have had an important impact on the growth of cities in the United States |
| increased availability of cars and public transportation | led to many people moving from the cities to the suburbs |
| railroads | By 1900, people and goods in nearly every settled part of the United States were connected by ______________________. |
| major American cities | functioned largely as centers of trade between the United States and Europe and were located along the Atlantic Coast during the first 50 years of independence |
| conservation of fossil fuels | important the economic success of the United States, because they are nonrenewable and are vital to the energy supply and thus to the economy of the United States. |
| advances in communication | have helped businesses to communicate faster and more efficiently with people who supply raw materials and parts for their machines as well as with their customers. |