I think you are supposed to put things that happened in the "Early 1600s" box and the changes of that in the "Late 1700s" box. That's just my guess on what I would do.
The Mongol Dynasty, I believe. They were the dynasty that defeated Kublai Khan.
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Answer:
The people of the empire were employed by farming, which employed 90 percent of all workers. Who were the slaves, and what work did they do? The slaves were people from conquered lands.
Explanation:
