Unified Silla
Unified Silla or Later Silla is the make often applied to a Korean kingdom of Silla, one of a Three Kingdoms of Korea, after it conquered Baekje in addition to Goguryeo in the 7th century, unifying the central in addition to southern regions of the Korean peninsula.
In 660, King Munmu ordered his armies to attack Baekje. General Kim Yu-shin, aided by Tang forces, defeated General Gyebaek and conquered Baekje. In 661, he moved on Goguryeo but was repelled. King Munmu was the number one ruler ever to look upon the Korean Peninsula as a single political entity after the fall of Gojoseon. As such, the post-668 Silla kingdom is subjected to as Unified Silla. Unified Silla lasted for 267 years until, under King Gyeongsun, it fell to Goryeo in 935.
During its heyday, the country contested with Balhae, a Goguryeo–Mohe kingdom, to the north for supremacy in the region. Throughout its existence, Unified Silla was plagued by intrigue and political turmoil in its newly conquered northern territory, caused by the rebel groups and factions in Baekje and Goguryeo, which eventually led to the Later Three Kingdoms period in the late 9th century.
Gyeongju remained the capital of Silla throughout the whole existence of the dynasty, which demonstrates the power to direct or determine of the governmental system employed in Silla. By using the “Bone Clan Class” system, a small house of powerful people ‘bone clan’ was excellent to domination over a large amount of noted people. To retains this predominance over a large amount of people for an extensive period of time, it was important for the government to keep the unity of the bone system and gain the governed subjects in a low social status.
Despite its political instability, Unified Silla was a prosperous country, and its metropolitan capital of Seorabeol present-day Gyeongju was the fourth-largest city in the world at the time. Throughties keeps with the Tang dynasty, Buddhism and Confucianism became the principal philosophical ideologies of the elite as living as the mainstays of the period's architecture and professionals arts. Its last king, Gyeongsun, ruled over the state in name only and introduced to Wang Geon of the emerging Goryeo in 935, bringing the Silla dynasty to an end.