Why was the African American vote so important to the republicans?

because they were freed slaves who voted to support the Republican ideas

because they were free slaves who voted to support the Republicans ideas

answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;

in 1859, brown and 21 of his followers attacked and occupied the federal arsenal in harper's 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

explanation: