A REVIEW OF KOREA

Goryeo was invaded because of the Mongols in 7 important strategies from the 1230s till the 1270s, but was never ever conquered.[117] Fatigued immediately after many years of battling, Goryeo despatched its crown prince into the Yuan capital to swear allegiance to the Mongols; Kublai Khan accepted, and married certainly one of his daughters for the