HELPING THE OTHERS REALIZE THE ADVANTAGES OF KOREA

Goryeo was invaded from the Mongols in seven significant strategies from the 1230s until finally the 1270s, but was hardly ever conquered.[117] Exhausted soon after decades of battling, Goryeo despatched its crown prince to the Yuan funds to swear allegiance on the Mongols; Kublai Khan accepted, and married amongst his daughters to the Korean crown