Goryeo was invaded by the Mongols in seven significant 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 on the Mongols; Kublai Khan approved, and married one among his https://charlie0fe7r.amoblog.com/korea-options-55768465