"Just as Western Civilization staggered and faded after the fall of Rome, Western Civilization has never really recovered from the shock of the Great War. Cultures which endured and developed over a thousand years were wiped out, never to return again. Western culture, abstract thought and artistic development: nothing important has developed since 1919; we’re still reeling from the shock." What a load of bollocks. T…
They successfully ruled.. for a very short period of time even by empire standards, before splitting up into various dynasties and going native and whatnot.
Why did Subutai stop in Eastern Europe, after destroying all opponents and units on par with the best Western Europe could offer, and with every prospect of conquering the Holy Roman Empire and extending the Mongolian empire to the Atlantic? Because Ghengis Khan's successor, Ogedei, had died and the succession process was so ill-defined and chaotic that Subutai had to stop everything and travel a continent back to Mongolia.
Succession and peaceful transfers of power, among other things, was never something the Mongols managed to deal with competently. We can admire them for their military prowess, we can admire individuals like the sinicized Kublai Khan for being good peace-time rulers, but we can't admire them for ruling competently 'from China to Europe' because they didn't.