| A | B |
|---|
| Human Sacrifice | Requirement of the Aztec gods |
| Arrival of the Europeans | Changed life for Native Americans in the 1500s |
| Inca | Largest early American civilizations |
| Religion | Maya and Aztec societies were organized around |
| Tenochititlan | Capital of the Aztec Empire |
| Land bridge | Connected Asia to Alaska |
| Agriculture | Allowed early Americans to form communities |
| Mayan priests' interest in astronomy | Led to the 365 day calendar |
| Sealskin clothing | Inuit |
| Peoples of the Plains | Used tepees |
| Inca emperor | Descendant of the sun god |
| Tenochititlan | Center of trade |
| Artifacts | Objects used to learn from the past |
| Native American farming | Suited to their environment |
| Aztecs | Forced conquered people into slavery |
| Maize | Early form of corn |
| Olmec | Earliest American civilization |
| Steep slopes used for farming | Terraces |
| Food source for early hunters | Woolly mammoth |
| Religious center for the Inca | Machu Picchu |
