> Mongols more advanced after their conquests than before Maybe, but the point is that Mongols, for some reason (maybe geography and weather?), did never stop

> Mongols more advanced after their conquests than before Maybe, but the point is that Mongols, for some reason (maybe geography and weather?), did never stop being fighters. They never "settled down" to grow wealth, which is a very long process with many parameters (cities, knowledge stores, trustable and transmissible commercial bonds, etc.) So they are very good warriors, and have been very successful in their conquest, but compared to their Chinese neighbours (which are not the prototype of the aggressive people, to understate it a bit), they are just much smaller, and grew much less wealth.