The historical background and development of the Great Wall

The historical background and development of the Great Wall


Background: the Great Wall in northern China began in the Warring States period, Qin, Zhao and Yan. During the Warring States period, Xiongnu also became strong and plundered the northern border of Qin, Zhao and Yan. In order to prevent Xiongnu from plundering to the south, King Zhao ordered to build the Great Wall on the northern border of Longxi, Beidi and Shangjun, and sent troops to guard Mengtian in Qin Dynasty