Why did john brown abandon the nonviolent resistance embraced by most abolitionists of his time?

John Brown's raid on Harpers Ferry galvanized the era's abolitionist ... the family to Ohio, where the abolitionist spent most of his childhood. ... However, Brown's financial losses continued to mount

Explanation:

the completion of the erie canal spurred the first great westward movement of american settlers, gave access to the rich land and resources west of the appalachians and made new york the preeminent commercial city in the united states.

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otherwise i can't