 At the end of the 1st century, Han China conducted several expeditions into the region, re-establishing militaru colonies "and bullied the Tarim city-states into renewing their vow of allegiance to Han," from 74–76 and 91–107.From 107 to 125 the Han left the Tarim Basin again, leaving it to the Xiongnu.From 127 to c.150 it was controlled again by the Han, whereafter the Tocharian-speaking Kushan Empire (30-375) took control of the western and northern Tarim Basin.