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 funds to swear allegiance on the Mongols; Kublai Khan approved, and married considered one of his https://paxton3ki9u.ivasdesign.com/55447607/helping-the-others-realize-the-advantages-of-korea