Figure 8.
Linear regression of loom complexity (number of characters) versus political complexity of the associated culture (number of hierarchical levels in society, data from the Ethnographic Atlas). R2 = 0.42.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.