THE SINGLE BEST STRATEGY TO USE FOR KOREA

Goryeo was invaded because of the Mongols in 7 major campaigns from your 1230s until eventually the 1270s, but was hardly ever conquered.[117] Exhausted following decades of combating, Goryeo sent its crown prince on the Yuan funds to swear allegiance into the Mongols; Kublai Khan recognized, and married one of his daughters towards the Korean crow