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| | China History: Northern and Southern Dynasties, Emperor Wendi, Northern Wei |
 | | The southern part endured four consecutive states Song, Qi, Liang, and Chen; while the northern part underwent several states, sometimes unified, and sometimes confronting simultaneously. |
 | | When the Northern Wei unified the Northern China, Emperor Wendi conducted his reforms to pacify morale, which played an active role in compatible existence of many nationalities. |
 | | But after its disintegration, swarms of northern people migrated to the south with their advanced technology and became the major labor force of the southern economy and agriculture. |
| www.warriortours.com /intro/history/northern_southern/index.htm (163 words) |
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