Maya collapse at Ceibal occurred in waves of warfare, political instability
By ProtoplasmaKid - Own work, CC BY-SA 4.0, Link

Lola Gayle, STEAM Register Ancient Mayans went through two periods of collapse. The first - called the Preclassic collapse - occurred in the second century A.D., and the second - called the Classic Maya collapse - occurred in the ninth century A.D., when many of the ancient civilization's cities were abandoned. While both events are still…