SPICE Chapter 11: Inner and East Asia, 400-1200 The Sui and Tang Empires, 581-755 Social Buddhism was attacked for encouraging women to become more involved in politics Political After fall of Han dynasty, China was fragmented for several centuries Reunified under Sui dynasty which was held by a duo of father and son who held power from 581 to 615 until turks from Inner Asia defeated the son. Capital was called Chang?an Though northern China constituted the Sui heartland, population centered along Yangzi river in south and pointed way for chinese future expansion The sui were very militarily ambitious in extending towards Korea and Vietnam. Required manpower, livestock, wood, iron, and food supplies Sui could not sustain enough of these