| United Silla |
| Development of the
three nations was closely related to the changes of kingdoms in
China. Silla joined hands with Tang Dynasty and toppled Baekje
and Goguryeo. Then Silla formed an alliance with the drifting
people from defeated Baekje and Goguryeo to drive the Tang out
of the Korean Peninsula, achieving independent unification of
the three nations. The unification in 676 brought remarkable
advancement in the ancient society. In the Unified Silla, the
king tightened his grip, political systems were further
developed and the expanded nation was ruled effectively. Trade
flourished in the nation, through active exchange with the Tang
Dynasty. |
 |
| Meanwhile, Balhae, which was established in
Manchuria after the fall of Goguryeo, enjoyed unique cultural
development after adopting a Confucianist political system
between the 8th and 9th centuries. However, it was later
conquered by the Khitan. Ever since, Manchuria has been lost in
Korean history. Toward the end of the United Silla era, the
power of the king weakened and provincial magnates strengthened
their power. Eventually the nation was divided into three
nations of Latter Goguryero, Baekjae and Silla. |
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