Goryeo was invaded from the Mongols in seven main strategies with the 1230s right until the 1270s, but was never conquered.[117] Exhausted following decades of combating, Goryeo sent its crown prince on the Yuan funds to swear allegiance on the Mongols; Kublai Khan approved, and married considered one of his https://kameron1ge7r.tinyblogging.com/not-known-factual-statements-about-korea-77623968