Who build the great wall of china?
Hello Kai, I am a Reference Librarian. It will take me a few minutes to research your question. According to Wikipedia; “The most famous is the wall built between 220–200 BC by the first Emperor of China, Qin Shi Huang Qin Shi Huang conquered all opposing states and unified China in 221 BC, establishing the Qin Dynasty. Intending to impose centralized rule and prevent the resurgence of feudal lords, he ordered the destruction of the wall sections that divided his empire along the former state borders. To protect the empire against intrusions by the Xiongnu people from the north, he ordered the building of a new wall to connect the remaining fortifications along the empire’s new northern frontier. The Great Wall concept was revived again during the Ming Dynasty following the Ming army’s defeat by the Oirats in the Battle of Tumu in 1449. The Ming had failed to gain a clear upper-hand over the Manchurian and Mongolian tribes after successive battles, and the long-drawn conflict was takin
