| A | B |
| trade | the exchanging, or buying and selling of goods |
| barter | to trade one kind of good for another without using money |
| scarce | limited |
| artifact | any object made by people in the past that still exists today |
| tradition | an idea or way of doing something that has been handed down from the past |
| tribe | a Native American group that has the same leaders or culture |
| tribute | a payment made for protection |
| midden | a trash pile |
| archaeologist | a scientist who studies artifacts to learn how people lived in the past |
| temple | a religious building |
| culture | a way of life |
| plaza | a public square |