Asked by yana bradshaw

Suggested reasons why many New World population centers seem to have been abandoned around 1300 CE include:

Answers

Answered by Damon
drought, failure of crops
Answered by Damon
http://www.rawstory.com/rs/2012/11/08/collapse-of-maya-civilization-tied-to-drought-study/
Answered by colleen
the indian ocean was largely spared large-scale warfare because
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