Were there any benefits from Mongolian conquests? If any, what were they?

Dec 2018
I wonder what Central Asia would look like without the Mongol conquests? I wonder how splendid cities like Merv, Samarkand, Urgench ect would be today and if Central Asia would be a center of power in the world. Or given its geographic position that if the Mongols didn't devastate the area, someone else, perhaps another steppe peoples would have
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