Will pick brainliest Explain who John Brown was and what he believed.

John Brown was a radical abolitionist whose fervent hatred of slavery led him to seize the United States arsenal at Harpers Ferry in October 1859. ... Hanged for treason against the Commonwealth of Virginia, Brown quickly became a martyr among those seeking to end slavery in America.

Explanation:

John Brown was an Abolitionist. John Brown seized the United States arsenal at Harpers Ferry in October 1859, he led small groups of volunteers during the Bleeding Kansas crisis of 1856, and Brown commanded anti-slavery forces at the Battle of Black Jack and the Battle of Osawatomie.

Explanation:

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