John Brown's Raid on Harpers Ferry Was Significant for All

John Brown's raid on Harpers Ferry was significant for all of the following reasons EXCEPT

A) that it provoked bloody retaliation against antislavery voters in Kansas.
B) that it intensified southern fears of slave insurrection.
C) that it intensified southern suspicions about the Republican Party.
D) that it added to the southerners' belief that their interests could not be protected within the Union.