Early Andean violence linked to climate change.

Researchers from the University of California, Davis, have found evidence of increased violence during climatic change in the south central Andes between A.D. 470 and 1500. The study suggests that climate change and potential competition for limited resources in the south central Andes likely led to violence among people living in the highlands at that time. The same results were not found in coastal and mid-elevation regions, indicating dwellers in these areas chose non-violent solutions to climate change or were not affected by it.