Goryeo was invaded through the Mongols in seven key strategies with the 1230s right until the 1270s, but was never conquered.[117] Exhausted following decades of combating, Goryeo sent its crown prince for the Yuan money to swear allegiance for the Mongols; Kublai Khan acknowledged, and married one among his daughters https://trenton9ay5l.ssnblog.com/33020777/helping-the-others-realize-the-advantages-of-korea