There seemed to have been no power rivaling Kublai Khan and his Mongol-Chinese Empire in the East. What led to the eventual Khanate collapse and the return of purely Chinese dynasty’s?

by Slappymcegee1
EnclavedMicrostate

More can of course be said, but this answer by /u/cthulhushrugged goes into the roots of anti-Mongol dissension in China during the late Yuan.