<Li> Tamna (Jeju - do) tributary of Baekje </Li> <P> Allied with China under the Tang dynasty, Silla conquered Goguryeo in 668, after having already conquered Gaya in 562 and Baekje in 660, thus ushering in the North - South states period with Later Silla to the south and Balhae to the north, when Dae Jo - young, a former Goguryeo military officer, revolted against Tang Chinese rule and began reconquering former Goguryeo territories . </P> <P> Archaeologists use theoretical guidelines derived from anthropology, ethnology, analogy, and ethnohistory to the concept of what defines a state - level society . This is different from the concept of state (guk or Sino ko: 國, walled - town state, etc .) in the discipline of Korean History . In anthropological archaeology the presence of urban centres (especially capitals), monumental architecture, craft specialization and standardization of production, ostentatious burials, writing or recording systems, bureaucracy, demonstrated political control of geographical areas that are usually larger in area than a single river valley, etc. make up some of these correlates that define states . Among the archaeology sites dating to the Three Kingdoms of Korea, hundreds of cemeteries with thousands of burials have been excavated . The vast majority of archaeological evidence of the Three Kingdoms Period of Korea consists of burials, but since the 1990s there has been a great increase in the archaeological excavations of ancient industrial production sites, roads, palace grounds and elite precincts, ceremonial sites, commoner households, and fortresses due to the boom in salvage archaeology in South Korea . </P> <P> Rhee and Choi hypothesize that a mix of internal developments and external factors lead to the emergence of state - level societies in Korea . A number of archaeologists including Kang demonstrate the role of frequent warfare in the development of peninsular states . </P>

Which country would emerge around 935 from the warring kingdoms of paekche koguryo and silla