Goryeo was invaded with the Mongols in 7 important strategies from the 1230s till the 1270s, but was in no way conquered.[117] Exhausted soon after a long time of preventing, Goryeo despatched its crown prince to your Yuan cash to swear allegiance into the Mongols; Kublai Khan recognized, and married https://devin6wv4h.bloginder.com/34592241/korea-options