If you have a towards something it can affect your judgment A. Bias
B. Secondary source
C. Historical document
D. Artifacts

raw information is your answer

~courtney

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.

the right answer is d