Historians make interpretations about events based on novels based on the past.
evidence they collect.
the opinions of journalists.
interviews with citizens.

A. evidence they collect because if you think about it "evidence" kind of includes all the choices below A.

Explanation:

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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.