D) A mongol dynasty, the Yuan, controlled China for a while, but China's cultural influence quickly broke the ties between the Yuan and the other Mongol Khanates. An uprising occurred in the 14th century, overthrowing the mongol and reinstating an ethnically Han dynasty to power.
The earliest civilizations developed between 4000 and 3000 BCE, when the rise of agriculture and trade allowed people to have surplus food and economic stability.