How did Mongol rule impact China?

Question

(If I get the answer wrong, could somebody explain why it was wrong instead of just giving me the answer? Thank You)

Trade with Europe flourished.


Buddhism became the predominant religion.


Yuan emperors initiated democratic reforms.


China became more isolated.***

Answer 1

You could be right. Be sure to read this and/or double-check in your text.

http://afe.easia.columbia.edu/mongols/china/china.htm