Goryeo was invaded via the Mongols in 7 significant campaigns from your 1230s until eventually the 1270s, but was hardly ever conquered.[117] Fatigued after decades of combating, Goryeo sent its crown prince for the Yuan funds to swear allegiance to your Mongols; Kublai Khan recognized, and married amongst his daughters to the Korean crown prince,[117] and the dynastic line of Goryeo continued to survive under the overlordship of the Mongol Yuan dynasty as being a semi-autonomous vassal state and compulsory ally.
The southern and western areas of the peninsula have very well-formulated plains, though the eastern and northern parts are mountainous. The highest mountain in Korea is Mount Paektu (2,744 m), through which 파라곤 runs the border with China. The southern extension of Mount Paektu is actually a highland named Gaema Heights. This highland was generally lifted in the Cenozoic orogeny and partly included by volcanic make any difference. Into the south of Gaema Gowon, successive high mountains are located along the jap Coastline of your peninsula.