This preview shows page 1. Sign up to view the full content.
Unformatted text preview: -precise records document the decline-speculation is that a 15-year period of below average rainfall precipitated the Chaco civilizations collapse-potential cause of decline: hierarchical society failed to help the poorer citizens (elite negligent to solve societys problems that dont affect them)...
View Full Document
This note was uploaded on 04/17/2008 for the course POSC 220 taught by Professor Sellers during the Fall '07 term at USC.
- Fall '07