Kammala jumla mai zuwa: A cikin 1640s, shekarun ƙarshe na daular Ming, masanin ilimin ƙasa Xu Xiake ya bincika ƙasar Salween River kuma ya ƙayyade cewa Salween na sama, Mekong da Red koguna (a baya an yi imanin cewa ɓangare ne na tsarin kogin ɗaya) sun kasance a zahiri daban. Bayan hauhawar daular Qing, kasar Sin ta shiga wani sabon zamani na fadada yamma. A shekara ta 1717 daular Dzungar Khanate ta ci Tibet, kuma Sin ta yi ƙoƙari ta kore su daga yankin. A cikin 1718 Qing ya aika da sojoji amma ba su yi nasara ba wajen isa Tibet, sun kai har zuwa Kogin Salween inda sojojin Dzungar suka ci su a Yaƙin Kogin Salween. A cikin martani, Qing
ya aika da karfi zuwa Tibet a 1720, fitar da Dzungars da kuma kafa mulkin Qing na Tibet.