Goryeo was invaded by the Mongols in seven significant campaigns through the 1230s right until the 1270s, but was never conquered.[117] Exhausted right after a long time of preventing, Goryeo despatched its crown prince to your Yuan cash to swear allegiance into the Mongols; Kublai Khan accepted, and married one of his daughters towards the Korean crown prince,[117] and also the dynastic line of Goryeo continued to survive under the overlordship in the Mongol Yuan 토토 dynasty like a semi-autonomous vassal condition and compulsory ally.
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