What law made it illegal to prevent people from voting based on the color of their skin, race, or having been a slave?
a) 14th amendment
b) 15th amendment
c) 13th amendment
d) civil rights act of 1866

lincoln presided over the union victory in the american civil war, which dominated his presidency. a former whig, lincoln ran on a political platform opposed to the expansion of slavery in the territories. his election served as the immediate impetus for the outbreak of the american civil war.