Kangxi faced tough problem of unifying china under manchu control. 3 feudatories = wu sangui, shang kexi, geng jimao. Kangxi unsure what to do with the 3 feudatories. Kexi and jimao passed on land to sons upon death. Wu unwilling to leave his base peacefully. Geng jingzhong (son of geng jimao) rebelled too. Threw off alliance with qing - declaring formation of a new dynasty (zhou) Influenced people to be on his side by saying that he would restore ming customs. Wu passed away from dysentery, geng and shang were captured. 1650"s - his fleets fought the manchus along china"s east coast. Traded silks and luxury goods to supply for gun powder and other arteielly. 1659 - frontal assault on nanjing - defeated. Attacked dutch fortress of zeelandia (on taiwan island) Allowed them to retire to batavia in dutch east indies. Took their goods and cash - ~ million worth.