South Korea takes advantage of a centralized democratic republic sort of government, Therefore having the Formal title in the Republic of Korea. It has a few branches that happen to be the executive, legislative, and judicial branches.
Even so the Sui army was lured right into a lure by the famed Koguryŏ commander Ŭlchi Mundŏk, and experienced a calamitous defeat on the Salsu (Ch'ŏngch'ŏn) River. It is said that only two,700 with the 300,000 Sui troopers who experienced crossed the Yalu survived to locate their way again, as well as the Sui emperor now lifted the siege of 파라곤 Liao-tung Fortress and withdrew his forces to China proper. Yang Ti ongoing to send his armies from Koguryŏ but once more without the need of accomplishment, and prior to very long his war-weakened empire crumbled." ^