please help asap
What was the most important factor in John Brown's decision to launch the raid at Harpers Ferry?
A. Harpers Ferry was a town in which the residents had access to guns.
B. Harpers Ferry shared a border with "Bleeding Kansas."
C. Harpers Ferry was in a region that strongly supported slavery.
D. Harpers Ferry was a hub of trains and canals, which provided escape routes.
