Respuesta :
Answer:
A.
Explanation:
He became China's first emperor when he was 38 after the Qin had conquered all of the other Warring States and unified all of China in 221 BC. Rather than maintain the title of " king " ( wang ) borne by the previous Shang and Zhou rulers, he ruled as the First Emperor of the Qin dynasty from 221 BC to 210 BC.