sentences:  The East Acropolis appears to have been temporarily abandoned at the end of the Early Classic due to destruction caused by an earthquake, but was reoccupied and developed during the course of the Late Classic.During the Terminal Classic (9th century AD) great quantities of ash and domestic ceramics were deposited in the East Acropolis.At this time a small platform was built against Structure 219, which blocked access to the southwestern terrace of the complex.