| A | B |
| civilization | a culture with cities, a government, and many different jobs for people to do |
| glacier | a mass of ice that moves slowly over land |
| pueblo | the Spanish word for town |
| agriculture | farming or growing plants |
| migration | movement of people or animlas from one region to another |
| Between Alaska and Asia | People first came to North America using a land bridge between these two areas |
| Hunt animals, gathered wild plants | the first people in North America found food by doing this |
| Good supply of food | people's lives changed when they grew crops because of this |
| Ancient Pueblo people | built big buildings made of stone with many rooms |
| Aztec civilization | controlled Central Mexico around 1300 |