| A | B |
|---|
| generation | the average time between the birth of parents and the birth of their children |
| tradition | an idea, a belief, or a way of doing something that has been handed down from the past |
| clan | a group of families that are related to one another |
| nomad | a wanderer who had no settled home |
| ceremony | a series of actions performed during a special event |
| comparison | a statement of how two or more things are different and how they are alike |
| scarce | hard to find |
| extinct | no longer in existence |
| confederacy | a loosely united group of governments working together |
| adapt | to adjust ways of living |
| reservation | land set aside by the government for use only by Native Americans |
| council | a group that makes laws |
| ancestor | an early family member |
| archaeologist | a scientist who studies the culture of people who lived in the past |
| trade | the exchanging, or buying and selling, of goods |
| tribe | a group of people who share the same language, land, or leaders |
| language group | languages that are alike in some way |
| classify | to group information |
| division of labor | dividing jobs among workers |
