Answer:
Brown's daring attack on the federal military armory was meant to provoke a slave revolt. On October 16, 1859, militant abolitionist John Brown launched a small attack on the United States military armory in Harpers Ferry, Virginia, with the aim of sparking a slave insurrection and eventually establishing a free state for African Americans.
Explanation:
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Answer:
if its talking abt the weapon arsenal then - O to provide weapons for slaves who joined his movement
if the question means the raid at Harper's Ferry in general - O to continue his raids on proslavery settlements in Kansas