| A | B |
| Immigrants | people who come to live in the U. S. from all over the world |
| Supply and demand | how much there is of a product and how much of it people will buy |
| How people use the land | growing crops, building cities, and raising animals |
| Fossil fuel | a natural resource that is important in making energy and electricity |
| Varied population | people have moved to the U.S. from all over the world |
| Democracy | when the people have the power to make decisions about government |
| Free enterprise | the right to start a business and own property |
| Country divided into regions | easier to study geography |
| Regions working together | resources from one state are sold in another state |
| E. Pluribus Unum | Out of many, one-Americans share many ideals |
| Importance of Pledge of Allegiance | tells the basic ideals Americans share |
| According to U.S. Constitution, who runs the government | the people |
| Benefits of a free enterprise system | choice in products, in spending, and choice to start a business |
| States closer to the equator | southern states |
| Renewable resource | trees |
| Responsibilities as citizens | "...ask not what your country can do for you-ask what you can do for your country." |
| Creation of national parks | benefit and enjoyment of people and to protect the environment |
| Creation of national parks | to help preserve the land, plants, animals, and other natural resources |
| Colder climate | northern states |