Answered by Mr.Mike
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Feb. 05, 2011 00:05
King of state of Chu (11th Century BC-223BC) was the first to build a wall, followed by the Kings of Qi, Yan, Wei, Zhao and Qin. Then, Qinshihuang ordered General Meng Tian to connect the existing walls and to extend them further as a front line defense against possible invasion. During subsequent dynasties, the wall was extended, repaired or modified on and off.