Their assistance could not be secured as they were in the midst of a civil war, but the Tang Dynasty and Silla grew close as Koguryo and Kudara turned hostile towards them when the Tang Dynasty sent an expeditionary force to Koguryo.
この時は唐が内戦の最中なので成り立たなかったが、高句麗遠征にて高句麗・百済が唐に対して敵対的になったことで唐と新羅との関係が親密化した。