… … Secondary Sources General Works Bales, Kevin. Disposable People: New Slavery in the Global Economy . Washington, DC: … Slavery & the Law . Madison: Madison House, 1997. Shaw, Robert B. A Legal History of Slavery in the United States. … Beacon Press, 2009. Farrow, Anne, Joel Lang, and Jennifer Frank. Complicity: How the North Promoted, Prolonged, and …