The wall was deconstructed and then reconstructed in the Qin dynasty to protect the new unified China from the North
The begining of the creation of the Great Wall of China can be traced back to the third century B.C, However, may of the fortification made in the wall date from hundreds of years earlier.
Many people had died in the process of the making of the wall, and many of the people that died were built into the wall itself
many of the people that built the wall included soldiers, comeners, and convicts
After the death of Quin Shi (the maker of the great wall) most of the wall had fallen into disrepair, and then after the fall of the Han dynasty a series of frontier tribes had seized control in northern china