Explain why Abraham Lincoln was consider one of the pioneer's in the Civil War?

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. In 1865, Lincoln was instrumental in the passage of the Thirteenth Amendment, which made slavery unconstitutional.

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. ... In 1865, Lincoln was instrumental in the passage of the Thirteenth Amendment, which made slavery unconstitutional.

Explanation:

they were mainly interested in writing poems. give brainliest if right.

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