| A | B |
|---|
| Andes | mountain range along the western edge of South America |
| terraces | strips of level land on hillsides that are planted with crops |
| Pachacuti | Greatest Sapa Inca that built the Incas into a powerful army |
| quipu | a record-keeping device made of knotted strings |
| heirarchy | a system for ranking members of a group according to their importance |
| ayllu | a group of related families that pooled resources to meet people's needs |
| mita system | tax system in which land was divided into three parts with the produce of one part going to the government |
| artifacts | objects people make, such as tools, pottery, or jewelry |
| drought | a period of little rain or no rain |
| wigwam | a home formed by bending the trunks of young trees and tying them together to make a round frame |
| tepees | portable, cones-shaped homes used by the migrant peoples of the Great Plains |
| igloos | domed houses made from blocks of snow |
| potlatch | ceremony in which a wealthy and high-ranking family had a feast and gave gifts to their guests |
