Republic of Korea Secrets
Goryeo was invaded with the Mongols in 7 big strategies within the 1230s till the 1270s, but was by no means conquered.[116] Exhausted immediately after many years of battling, Goryeo despatched its crown prince into the Yuan capital to swear allegiance to the Mongols; Kublai Khan accepted, and married certainly one of his daughters towards the Kor