 Complete the following phrase:  Qin Shi Huang , ; 18 February 25910 September 210 was the founder of the Qin dynasty, and first emperor of a unified China. From 247 to 221 BC he was Zheng, King of Qin , Qín Wáng Zhèng, personal name 嬴政 Yíng Zhèng or 趙政 Zhào Zhèng. He became Chinas first emperor when he was 38 after the Qin had conquered all of the other Warring States and 