Goryeo was invaded because of the Mongols in 7 important strategies from the 1230s till the 1270s, but was in no way conquered.[117] Exhausted soon after a long time of preventing, Goryeo despatched its crown prince on the Yuan funds to swear allegiance to your Mongols; Kublai Khan recognized, and https://trenton9de7r.acidblog.net/65040720/the-5-second-trick-for-korea