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 towards the Mongols; Kublai Khan acknowledged, and married among his daughters https://jaiden5nj8o.blog-ezine.com/34063802/a-simple-key-for-korea-unveiled