chieftain in Yizhou Commandery. In 215, Yong Kai killed the Administrator Zheng Ang and defected to Sun Quan. Sun Quan named Yong Kai Administrator of Yongchang Commandery but actually distrusted him and ordered his officers to keep him out of that territory. In 223, Yong Kai captured the Administrator Zhang Yi and sent him to Sun Quan. In 225, Yong Kai was killed by another chieftain, Gao Ding. Shanyue The Shanyue "Mountain Yue" were a group of Austro-Asiatic people related to the Vietnamese who lived in the mountain regions of modern Jiangsu, Zhejiang, Anhui, Jiangxi and Fujian. In 203, they rebelled against Sun Quan's rule and were defeated by the generals Lü Fan, Cheng Pu, and Taishi Ci. In 217, Sun Quan appointed Lu Xun supreme commander of an army to suppress martial activities by the Shanyue in Guiji (modern Shaoxing). Captured Shanyue tribesmen were recruited into the army. In 234, Zhuge Ke was made governor of Danyang. Under his governorship, the region was cleansed of the Shanyue through systematic destruction of their settlements. Captured tribesmen were used as front line fodder in the army. The remaining population was resettled in lowlands and many became tenant farmers for Chinese landowners. Vietnamese During the early phase of the Three Kingdoms era, there was a unrest across the Jiaozhi circuit (modern-day Guangdong, Guangxi and northern Vietnam) led by the Wuhu chief Liang Long and his rebellion attracted the Lac Viet and all other ethnic groups in Southern Han China, but was suppressed in 184. After a century and a half of close imperial supervision and repression, Jiaozhi and Jiuzhen enjoyed a period of autonomy from 187 to 226. In 177 Shi Xie became the prefect of Jiaozhi (Jiaozhou (modern Vietnam and Guangzhou)), is primarily remembered today in Vietnam as Sĩ Nhiếp, the father of education and a great patron of Buddhism. He relocated Jiaozhi’s capital back to Luy Lâu, the river market town Zhao Tuo had founded in 179 BC, which soon became celebrated for its trading prosperity. Shi Xie stayed out of the northern wars for the most part and later willingly submitted to Eastern Wu. According to Stephen O'Harrow, Shi Xie was essentially "the first Vietnamese." Buddhism became the predominant religion the Lac people. During Shi Xie's reign, the Lac people's customs had been slightly altered and sinicized by Xie. The south’s trade and treasure attracted imperial power. After Shi