| A | B |
| civilizations | Highly developed socieites. |
| complex | Highly detailed systems for writing, counting, and tracking time. |
| The Olmec | Flourished between 1500 BC and 300 BC along the Gulf Coast of Mexico, Guatemala, and Honduras. |
| The Maya | Lived in rain forests of present-day Mexico, Guatemala, Honduras and Belize. |
| thocracy | Society ruled by religious leaders. |
| hieroglyphics | Uses symbols or pictures to represent things, ideas and sounds. |
| The Aztec | After fall of Maya, this group wandered into an island in Lake Texcoco today part of Mexico City. |
| linking | Connecting. |
| The Inca | Civilization that developed in the western highlands of South America. |
| Quechua | Inca language. |
| quipus | System of record keeping with strings of various lengths and colors. |
| terraces | Broad platforms into steep slopes. |