Rosa, Charley and Rebecca are three of eight freed slaves who sat for portraits in 1863-1864 that were sold to raise money to fund schools for emancipated slaves in Louisiana. The three were chosen because it was believed their near-white complexions would draw more sympathy — and support — from a country torn apart by slavery and civil war. Charles Paxson/Library of Congress hide caption

itoggle caption Charles Paxson/Library of Congress