Why did the Zhou king grant control of territories to his supporters

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Explanation:

At the beginning of the Zhou Dynasty's rule, the Duke of Zhou, a regent to the king, held a lot of power, and the king rewarded the loyalty of nobles and generals with large pieces of land. Delegating regional control in this way allowed the Zhou to maintain control over a massive land area.

Explanation: I hope this helps and may God bless you. Have a nice day, bye! :)

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

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