Goryeo was invaded from the Mongols in seven main strategies through the 1230s until eventually the 1270s, but was hardly ever conquered.[117] Fatigued after decades of fighting, Goryeo sent its crown prince towards the Yuan capital to swear allegiance towards the Mongols; Kublai Khan acknowledged, and married among his daughters https://ricardo3on1a.targetblogs.com/34418321/5-simple-techniques-for-korea