Which of these choices describes John Brown? Choose the best answer. a proslavery Border Ruffian
a member of Congress who proposed the Kansas-Nebraska Act
an antislavery man who led the Pottawatomie Massacre

The Last one

Explanation:

He was anti-slavery so the first one is out

The one who proposed the Kansas Nebraska act was Stephen Douglas, so the second one is out

Just use process of elimination!

Hope this Helps :)

- 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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d) he bring down boss tweed and tammany hall.