Through the life of a lower-class Qin man, the cold shell of "Shang Yang's military merit system" is penetrated, and its dual nature of being both a ladder for advancement and a heavy yoke is revealed. In the epic war that swept across the world and the tragedy of the collapse of an empire, explore the struggle, perseverance and emotional destination of a small character in the torrent of history.
Where did the Qin Dynasty get sweet potatoes? ? ?