The education of plains indian children traditionally did not include

The education of plains indian children traditionally did not include: books.

Explanation:

The Indians or also knowns as native americans, that lived in the Great Plains did not always count with formal education, or educatioanl institutions. Misioners fisrt went there to try to teach them and give them an education, and bring them Christianity.

Before European misioners arrived, plains idians had their own way of passing or teaching about their history and values. So at the beginning they did not used books.

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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the answer is c, all the other options are things they are known for.

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