Goryeo was invaded via the Mongols in 7 major campaigns from your 1230s right up until the 1270s, but was under no circumstances conquered.[117] Fatigued soon after many years of battling, Goryeo despatched its crown prince into the Yuan capital to swear allegiance for the Mongols; Kublai Khan approved, and https://andres8to0t.ttblogs.com/13590656/not-known-facts-about-korea