John brown maintained that slavery would only be done away with through
a) political compromise
b) violent conflict
c) a new president
d) having more free states than slave states

The answer is b.

Explanation:

He was a man of action, not of discussions. He was an arden abolitionist. He led an attack on a federal arsenal at Harpers Ferry, Virginia, in 1859 and his subsequent death before a firing squad made him a martyr of the antislavery cause and heightened animosities that contributed to the Civil War.

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