The decision upended years of efforts by prosecutors to weaken the Mongols. In a 51-page ruling, U.S. District Judge David O. Carter said the government’s strategy of trying to devastate the Mongols ...

As the years passed, the Mongol Empire began to crumble under the weight of internal divisions and external pressures. The khanates drifted apart, succumbing to local revolts and the resurgence of ...