Ancient DNA reveals how Mayan civilisation collapsed

[Beringia]

3. Jiminy Cricket, I had to read to the very end of their article to find out why Mayan's collapsed

A decline in the population density led to the eventual collapse of the Classic Maya civilisation, they concluded.

This was between the 9th and 11th centuries, a period marked by frequent severe droughts that contributed to civil conflict, societal instability, and eventual collapse.

“Estimates of effective population size suggest a decline at the end of the Classic period, when Classic Maya civilisation experienced widespread destabilisation and collapse,” the study noted.