http://en.wikipedia.org/wiki/Pax_Mongolica http://en.wikipedia.org/wiki/Pax_Mongolica While the Mongol empire was split up after Genghis Khan's death, it didn'

http://en.wikipedia.org/wiki/Pax_Mongolica http://en.wikipedia.org/wiki/Pax_Mongolica While the Mongol empire was split up after Genghis Khan's death, it didn't just collapse. There was a fairly long period of stability that followed.