Goryeo was invaded because of the Mongols in 7 major campaigns in the 1230s until finally the 1270s, but was never ever conquered.[117] Fatigued immediately after many years of battling, Goryeo despatched its crown prince into the Yuan cash to swear allegiance to the Mongols; Kublai Khan accepted, and married https://jasper7vu3e.angelinsblog.com/33101695/how-korea-can-save-you-time-stress-and-money