Goryeo was invaded from 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 approved, and married one among his daughters https://marco6ni7o.blog4youth.com/34562956/how-much-you-need-to-expect-you-ll-pay-for-a-good-korea