"captures the kingdom" . "Tang dynasty" . "Tang conquest of Gaochang" . . . "Tang Dynasty" . . "Karakhoja in 640" . "640 invasion of Karakhoja" . . "Karakhoja" . "ordered a campaign" . "conquest of the city of Turfan" . "DecisiveTangvictory" . "Karakhoja" . "*Annexation ofKarakhojaas aTangprefecture" . "Tang campaign against Karakhoja" . . . "China" . "annexed in 640" . "conquest of Turfan" . "Western Turkic Khaganate" . . "annexation of Gaochang" . . "was annexed" . "Tang campaign against Karakhoja" . . . "campaign against Karakhoja" . . . . . . "is captured by" . "annexed the oasis kingdom in 640" . . . .