Correct Answer:
Option C - Sometime before the time of the Mauryan empire, about 2400 years ago the emperors in china began to built great wall of china. It was meant to protect the northern frontier of the empire from pastoral people. This wall is about 21, 196 km long. The Chinese ruler shih Huang Ti (247- 210 BCE) constructed the Great wall of china in about 220 BC
C. Sometime before the time of the Mauryan empire, about 2400 years ago the emperors in china began to built great wall of china. It was meant to protect the northern frontier of the empire from pastoral people. This wall is about 21, 196 km long. The Chinese ruler shih Huang Ti (247- 210 BCE) constructed the Great wall of china in about 220 BC