" The "border States" in general promptly acceded to this proposition of Virginia, and others followed, so that in the "Peace Congress," or conference, which assembled, according to appointment, on the 4th, and adjourned on the 27th of February, twenty-one States were eventually represented, of which fourteen were Northern, or "non-slaveholding," and seven slaveholding States. "

― Jefferson Davis , The Rise and Fall of the Confederate Government