How did the tang dynasty reunited china

The Tang Dynasty reunited China by establishing an efficient and well trained bureacracy.

Explanation:

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wood carving remains today the primary sculptural art form of the sub saharan continent. african art history shows the earliest wooden sculptures from the 17th c are attributed to the kuba, central zaire but the earliest surviving sub-saharan sculpture is a zoomorphic head found in 1928 in central angola.

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