Goryeo was invaded because of the Mongols in 7 important campaigns in the 1230s until finally the 1270s, but was in no way conquered.[117] Fatigued soon after many years of battling, Goryeo despatched its crown prince into the Yuan cash to swear allegiance into the Mongols; Kublai Khan recognized, and https://edgar3id6i.blogstival.com/55791410/helping-the-others-realize-the-advantages-of-korea