RUMORED BUZZ ON KOREA

Goryeo was invaded from the Mongols in 7 major strategies from the 1230s right up until the 1270s, but was never conquered.[117] Fatigued just after a long time of battling, Goryeo sent its crown prince on the Yuan cash to swear allegiance towards the Mongols; Kublai Khan approved, and married one of his daughters for the Korean crown prince,[117]