This decision to sell the young people would create a major future problem for the Mongols, because the Italians sold most of their slaves to the sultan of Egypt, who used them in his slave army. In another twenty years, the Mongols were destined to meet this army composed mostly of Slavs and Kipchaks who had plenty of experience fighting the Mongols, and in many cases had even learned the Mongol language before being transported away.
