conquest empire conquered years prior invasion war dynasty power prince weakened besieged city belonging dispatched force command pursue force defeated capital faced rebellions unpopular rule forcing flee modern afghanistan captured hunters hunters turned beheaded defeating direct border soon invade background khan defeated prince fled homeland refuge welcomed empire advisor military commander eventually marrying daughters war bordering dynasty initiated coup état took power allowed rule died took direct control originally converted buddhism began muslim majority forcing convert buddhism christianity alienated population besieged city requested aid invasion requesting aid dispatched general soldiers deal threat sending simultaneous campaign armies traveled alongside arriving point turned southwest destroying protecting flank sudden attacks relieved moved south lake lands besieged capital defeated army troops fled taking advantage unrest rule gained support muslim populace announcing policy religious persecution ended army arrived populace revolted turned forcing flee life pursued modern afghanistan according group hunters caught handed promptly beheaded aftermath death secured control segment dynasty founded survived ceased exist entity reign ruler firm outpost directly bordering relations quickly break leading invasion territory
Mongol conquest of the Qara Khitai