Goryeo was invaded with the Mongols in 7 important strategies with the 1230s right until the 1270s, but was in no way conquered.[117] Fatigued following decades of preventing, Goryeo despatched its crown prince on the Yuan cash to swear allegiance into the Mongols; Kublai Khan accepted, and married certainly one of his daughters for the Korean crown prince,[117] along with the dynastic line of Goryeo ongoing to outlive beneath the overlordship with the Mongol Yuan dynasty for a semi-autonomous vassal point out and compulsory ally.
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