THE SMART TRICK OF KOREA THAT NO ONE IS DISCUSSING

Goryeo was invaded with the Mongols in 7 important strategies in the 1230s until finally the 1270s, but was under no circumstances conquered.[117] Fatigued just after decades of preventing, Goryeo sent its crown prince towards the Yuan money to swear allegiance on the Mongols; Kublai Khan approved, and married considered one of his daughters into t