Goguryeo's ally while in the southwest, Baekje, fell for the Silla?�Tang alliance in 660; the victorious allies continued their assault on Goguryeo for another 8 decades. In the meantime, in 666 (even though dates differ from 664??66), Yeon Gaesomun died and civil war ensued among the his three sons. Silla?�Tang https://beckette2re0.thezenweb.com/the-definitive-guide-to-goguryeo-room-salon-부산룸싸롱-64540374