In the mid-1800s native americans who have lived in the west

Several tribes dotted states such as Nebraska, Minnesota, Montana, Oklahoma, and Texas, though conditions were rough. Approximately 75,000 Indians inhabited the Plains in the mid-1800s.

Explanation:

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letter d is correct.

- three-quarters or two-thirds..

- "the constitution provides that an amendment may be proposed either by the congress with a two-thirds majority vote in both the house of representatives and the senate or by a constitutional convention called for by two-thirds of the state legislatures."

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