How did the movement west change demand for buffalo meat?

However, after the Civil War, that would change as more and more people moved westward. As a result, new army posts were established and to supply those many soldiers, the army contracted with local men to supply buffalo meat to feed the troops; In some places, buffalo tongues became a delicacy in fine restaurants.

Explanation:

the answer is c.

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it affected it because the kingdoms (with trade) slowly got richer and richer.