HELPING THE OTHERS REALIZE THE ADVANTAGES OF KOREA

Goryeo was invaded through the Mongols in seven key strategies from the 1230s till the 1270s, but was in no way conquered.[117] Fatigued immediately after many years of battling, Goryeo sent its crown prince towards the Yuan money to swear allegiance for the Mongols; Kublai Khan approved, and married considered one of his daughters into the Korean