Goryeo was invaded via the Mongols in seven significant campaigns through the 1230s until eventually the 1270s, but was never conquered.[117] Exhausted following a long time of combating, Goryeo despatched its crown prince on the Yuan cash to swear allegiance into the Mongols; Kublai Khan recognized, and married one of his daughters towards the Korean crown prince,[117] as well as the dynastic line of Goryeo continued to survive beneath the overlordship in the Mongol Yuan dynasty being a semi-autonomous vassal condition and Obligatory ally.
A few on the commanderies fell or retreated westward within a several decades, though the Lelang Commandery remained being a center of cultural and financial 슬롯 exchange with successive Chinese dynasties for four centuries. By 313, Goguryeo annexed every one of the Chinese commanderies.