HOW KOREA CAN SAVE YOU TIME, STRESS, AND MONEY.

Goryeo was invaded from the Mongols in seven key strategies within the 1230s till the 1270s, but was never ever conquered.[117] Fatigued immediately after many years of battling, Goryeo sent its crown prince to the Yuan capital to swear allegiance towards the Mongols; Kublai Khan acknowledged, and married one among his daughters on the Korean crown