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 for the Mongols; Kublai Khan approved, and married one among his https://trevor1ih8v.post-blogs.com/54876570/the-smart-trick-of-korea-that-no-one-is-discussing