Radical Republicans were the one who have supported this quote.
Who were Radical republicans?
From the time the Republican Party was founded in 1854 (before to the American Civil War) until the end of Reconstruction in the Compromise of 1877, the Radical Republicans were a group of American politicians within the Republican Party. They referred to themselves as "Radicals" because they had no qualms about eradicating slavery immediately, completely, and permanently. The pro-slavery, anti-Reconstruction Democratic Party, liberals in the Northern United States during Reconstruction, and the moderate Republicans of the time (headed by President Abraham Lincoln) all opposed them during the War. Following the war, radicals were in charge of establishing former slaves' civic rights and completing freedom. Radicals pushed Congress to pass the Fourteenth Amendment and statutory rights for freed slaves after less effective measures in 1866 led to violence against them in the rebel states. They emphasised equality, civil rights, and voting rights for the "freedmen," or former slaves who had been set free during or after the Civil War by the Emancipation Proclamation and the Thirteenth Amendment. They opposed allowing ex-Confederate officers to retake political power in the Southern United States.
Supporting answer
Hence option D is correct answer
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