In 1867, several leaders of the Plains Indian tribes met with U. S. officials and signed a treaty to end the conflict between Indians and Anglo settlers
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the main objectives of the progressive movement were eliminating problems caused by industrialization, urbanization, immigration, and political corruption.

1) the degree of the function is odd, so the ends of the graph continue in opposite directions. because the leading coefficient is positive, the left side of the graph continues down the coordinate plane and the right side continues upward.