Early Encounters

2. trace family lines through their mother
4. geography the study of earth's exterior physical features
6. perspective the examination of how geography affects people and culture
8. a historical region and cultural area in southern North America and most of Central America
9. a gift-giving feast practiced by Indigenous peoples of the Pacific Northwest Coast of Canada and the United States
11. civilizations that created a hieroglyphic writing system and created calendar
12. build a vast empire that extended from the northern border of Ecuador to central Chile
13. agriculture a method of clearing fields for planting that involves cutting and setting fire to existing trees and plants

1. a major zone of treeless level or rolling ground found in cold regions, mostly north of the Arctic Circle or above the timberline on high mountains
3. the stage of human social and cultural development and organization that is considered most advanced
5. to raise plants and animals for human benefit and consumption
7. the supply of water to land or crops to help growth, typically by means of channels
10. geography the study of how people and their cultures are affected by physical geography and how human activities affect the environment