What did john brown tried to do in 1859 ?

In 1859, Brown and 21 of his followers attacked and occupied the federal arsenal in Harpers Ferry. Their goal was to capture supplies and use them to arm a slave rebellion. Brown was captured during the raid and later hanged, but not before becoming an anti-slavery icon. Abolitionist and insurrectionist.

a. by accepting the election of president abraham lincoln in 1860 and convincing other southern states to do the same