NOT KNOWN DETAILS ABOUT KOREA

Because the mountainous region is totally on the japanese Section of the peninsula, the key rivers often flow westwards. Two exceptions are the southward-flowing Nakdong River and Seomjin River.Although the Sui army was lured right into a lure from the famed Koguryŏ commander Ŭlchi Mundŏk, and experienced a calamitous defeat with the Salsu (Ch'�