| A | B |
|---|
| Beringia | land bridge between Asia and Alaska |
| Ice Age | lasted from roughly 1.6 million to 10,000 BC; during this period, glaciers spread southward from the Arctic Circle |
| maize | corn |
| Mesoamerica | the region archaeologists and historians believe the story of developed civilizations in the Americas begins |
| Olmec | Mesoamerica's first known civilization builders |
| Zapotec | developed an advanced society in what is now the Mexican state of Oaxaca; dominated for more than 1000 years |
| Monte Alban | the first real urban center in the Americas; built by the Zapotec |
| Chavin | first influencial civilization in South America that arose in the mountains |
| Nazca | culture that flourished along the southern coast of Peru from 200 BC to AD 600 |
| Moche | civilization on the northern coast of Peru from about AD 100 to 700 |
