All Topics (September 9 through November 30) Wednesday, September 19 12:20 PM The Abolition of Slavery in the Lower Mississippi Valley During the Civil War Wednesday, October 3 12:20 PM The Complicated Question of Memory in the Spanish Civil War Wednesday, October 24 12:20 PM Advocacy Groups, Archie Bunker, and Political Television in the 1970s Wednesday, November 7 12:20 PM Botany, the "Surveilling" Sciences, and the Politics of American Empire: The United States in the Pacific, 1898-1930