Final answer:
Radical Republicans in Congress were militant abolitionists promoting racial equality and reconstruction, while Copperheads were Peace Democrats advocating for peace during the Civil War.
Explanation:
Radical Republicans were the militant abolitionists in Congress known for seeking to punish southern states after the Civil War and advocating for racial equality. They were part of the Republican faction that pushed for reconstruction and protection of freedmen.
Abolitionists were individuals committed to the immediate emancipation of slaves and played a significant role in radicalizing the antislavery movement in the 1830s, promoting moral suasion and national redemption.
Copperheads were Peace Democrats during the Civil War, opposing the conflict and advocating for a peaceful resolution.
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