<prompt> Qedela umusho olandelayo: Ngo-1640, eminyakeni yokugcina ye-Ming Dynasty, isazi sokuma kwezwe uXu Xiake wahlola izwe loMfula iSalween futhi wanquma ukuthi imifula ephezulu iSalween, iMekong kanye neRed okwakukholelwa ukuthi iyingxenye yohlelo olufanayo lomfula empeleni yayihlukanisiwe. Ngemva kokunyuka koMbuso WamaQing, iChina yangena enkathini entsha yokunwetshwa kwezwe laseNtshonalanga. Ngo - 1717 i - Dzungar Khanate yanqoba iTibet, futhi iChina yafuna ukubaxosha kule ndawo. Ngo-1718 iQing yathumela ibutho kodwa ayiphumelelanga ekufinyeleleni eTibet, yafika kuphela eMfuleni iSalween lapho yahlaselwa khona amabutho aseDzungar eMpini yoMfula iSalween. Ephendula, iQing  <response>: yathumela ibutho elikhulu eTibet ngo-1720, yaxosha amaDzungars futhi yamisa ukubusa kweQing eTibet. 