HOW MUCH YOU NEED TO EXPECT YOU'LL PAY FOR A GOOD KOREA

Goryeo was invaded through the Mongols in 7 big strategies from the 1230s till the 1270s, but was in no way conquered.[117] Exhausted soon 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 among his daughters for the Korean crown prince,[117]