Goryeo was invaded via the Mongols in seven significant campaigns from your 1230s right up until the 1270s, but was under no circumstances conquered.[117] Fatigued just after many years of fighting, Goryeo sent its crown prince to the Yuan capital to swear allegiance to the Mongols; Kublai Khan accepted, and https://edwin2dy4d.blog-gold.com/43051723/facts-about-korea-revealed