Goryeo was invaded via the Mongols in seven significant campaigns through the 1230s until eventually the 1270s, but was hardly ever conquered.[117] Exhausted right after a long time of battling, Goryeo despatched its crown prince for the Yuan funds to swear allegiance into the Mongols; Kublai Khan 파라곤솔루션 acknowledged, and married considered one of his daughters into the Korean crown prince,[117] and the dynastic line of Goryeo continued to survive under the overlordship from the Mongol Yuan dynasty as being a semi-autonomous vassal state and compulsory ally.
This was the first time an acting president were impeached since South Korea grew to become a democracy.