| A | B |
| glacier | thick sheets of ice |
| settlement | a small community |
| surplus | extra |
| civilization | a people sharing a language, area, and economy |
| city-state | a political unit that controls a city and its surrounding land |
| causeway | raised roads made of packed earth |
| terrace | wide, flat steps of land |
| quipu | ancient form of record keeping involving rope and knots |
| culture | the way of life of a people |
| adobe | a sundried brick |
| pueblos | Spanish word for village used to describe adobe buildings of ancient peoples |
| tribe | a community of people who share common language, customs, and rituals |
| diffusion | the process of spreading ideas from one culture to another |