Answered by Jackline from HK | Oct. 05, 2013 20:09
According to the materials, during the Warring States Periods, they started to built that as defence and in the State of Chu, they were thought of constructing the earliest wall section, but the exact name of the king is unknown. Besides, most people regards Qin Shihuang of the Qin Dynasty as the first emperor or king to formally construct the wall.