Goryeo was invaded because of the Mongols in 7 major strategies in the 1230s until finally the 1270s, but was under no circumstances conquered.[117] Fatigued just after many years of battling, Goryeo despatched its crown prince to the Yuan capital to swear allegiance to the Mongols; Kublai Khan accepted, and https://titus2kj9w.blogadvize.com/41403592/5-simple-statements-about-korea-explained