How did Mongol rule impact China? A) China became more isolated.

B) Buddhism became the predominant religion.

C) Trade with Europe flourished.

D) Yuan emperors initiated democratic reforms.

D

Explanation:  The Mongols reduced the power of Confucian (Chinese) officials and then put them in lower level jobs. ... Eventually the Mongol rule, under the Yuan Dynasty was overthrown by the Chinese and the Ming Dynasty

then its a law the end

how is this a question? but yes, they were. if i recall correctly, it was very handy for native americans to use buffalo skin.