South Korea employs a centralized democratic republic type of government, So obtaining the official name of your Republic of Korea. It's three branches which are The chief, legislative, and judicial branches.
Although the Sui army was lured into a lure from the famed Koguryŏ commander Ŭlchi Mundŏk, and experienced a calamitous 파라곤 defeat with the Salsu (Ch'ŏngch'ŏn) River. It is said that only two,seven hundred of your three hundred,000 Sui soldiers who experienced crossed the Yalu survived to locate their way again, as well as the Sui emperor now lifted the siege of Liao-tung Fortress and withdrew his forces to China proper. Yang Ti ongoing to deliver his armies versus Koguryŏ but once again without results, and prior to extensive his war-weakened empire crumbled." ^