Select the correct answer.
what is the "melting pot" theory?
on plato?

what are the options so i can answer it

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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hey.

the answer is. b) to protect migrating native american tribes .

and, c) to protect migrating native american tribes .

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