Goryeo was invaded because of the Mongols in 7 important 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 to your Yuan cash to swear allegiance into the Mongols; Kublai Khan recognized, and married https://martin4qp1b.thenerdsblog.com/39709174/korea-options