The history of China is a history of warfare. Rarely in its 3,000-year existence has the country not been beset by war, rebellion, or raids. Warfare was a primary source of innovation, social evolution, and material progress in the Legendary Era, Hsia dynasty, and Shang dynasty — indeed, war was the force that formed the first cohesive Chinese empire, setting China on a trajectory of state building and aggressive activity that continues to this...