The Troubled EmpireThe Mongol takeover in the 1270s changed the course of Chinese history. The Confucian empire a millennium and a half in the making was suddenly thrust under foreign occupation. What China had been before its reunification as the Yuan dynasty in 1279 was no longer what it would be in the future. Four centuries later, another wave of steppe invaders would replace the Ming dynasty with yet another foreign occupation. The Troubled Empire explores what