The zhou ruled for 800 years with the of a bureaucracy . how might giving authority to local bureaucrats weaken the zhou kings ?

In ancient China, the perennial challenges of ruling a very large territory , keeping cohesion and unity were already present and due to technological limitations, they were even bigger than they are today. In the kingdoms of ancient China, the feudal local lords, rich and powerful, had the real political power despite any sworn loyalty to the kings. The Zhou kings were kings but they did not control the feudal lords effectively, they were politically weak.

Explanation:

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the second significant cause of the great migration was the desire of black southerners to escape segregation, known euphemistically as jim crow. rural african american southerners believed that segregation - and racism and prejudice against blacks - was significantly less intense in the north.