Kinberg, Nicholas Michael Chakmakian AP World History 19 July 2015 Chapter 13 Outline Postclassic. Era, 500 ? 1000 East Mediterranean survived as Byzantine empire, only empire thatoutlasted classic. Southwest Asia, Arabs inspired by Islam overcame Sasanid empire China, Sui/Tang dynasties restored authority India, authority devolved into regional kingdoms West Euro, rule returned during 8th/9thunder Carolingian empire Econ. Difficulties/invasions brought it down: led to decentralized west Euro Postclassic. Was time of econ. Growth in east hemisphere Trade increased, manufacturers produced goods just for export Increased trade facilitated bio., tech, commercial exchanges: crops migrated, improved irrigation/farming spread in Eurasia