Goryeo was invaded by the Mongols in seven main campaigns through the 1230s until eventually the 1270s, but was hardly ever conquered.[117] Fatigued after decades of fighting, Goryeo sent its crown prince towards the Yuan money to swear allegiance for the Mongols; Kublai Khan acknowledged, and married among his daughters https://griffin9bb6o.wssblogs.com/33894364/not-known-details-about-korea