Droughts, Floods, the Medieval Warm Period and the Rise and Fall of Civilisations in Central and South America
Changes in climate together with extreme weather events have played major roles in the history of the pre-Columbian civilizations of Central and South America of the past two millennia, including the period known as the Medieval Warm Period.
https://sites.google.com/site/medie...t-floods-famine-and-central-and-south-america
And
https://sites.google.com/site/medievalwarmperiod/Home/historic-el-nino-events
