Winslow L. O'Neill was an American abolitionist and Kansas Jayhawker who fought against pro-slavery "Border Ruffians" and Confederates during "Bleeding Kansas" and the American Civil War.
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Winslow L. O'Neill was an American abolitionist and Kansas Jayhawker who fought against pro-slavery "Border Ruffians" and Confederates during "Bleeding Kansas" and the American Civil War.