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| | Korea: history (Site not responding. Last check: 2007-11-02) |
 | | During the height of Old Choson, other tribal states flourished in the peninsula: Puyo, in the Manchurian region of the Sungari river basin, and Chin, which during the 2nd century BC appeared to the south of the Han river and was later divided into three tribal states (Mahan, Chinhan and Pyonhan). |
 | | Choson was dominated by an hereditary aristocratic class, called yangban, which devoted itself to the study of neo-Confucian doctrines. |
 | | During the Kingdom of Sejo, the seventh monarch, a government structure emerged, led by the yangban ideology. |
| gbgm-umc.org /country_profiles/country_history.cfm?Id=63 (2407 words) |
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