79
Douglas A. Irwin, Clashing over Commerce: A History of U. S. Trade Policy (Chicago: University of Chicago Press, 2017), 133–134.
80
McPherson, Battle Cry of Freedom, 14.
81
Howe, What Hath God Wrought, 533.
82
Walter A. McDougall, Throes of Democracy: The American Civil War Era 1829–1877 (New York: HarperCollins, 2008), 130.
83
Jeremy Atack, Fred Bateman, and William Parker, "The Farm, the Farmer, and the Market", The Long Nineteenth Century, vol. 2 of The Cambridge Economic History of the United States, ed. Stanley Engerman and Robert Gallman (Cambridge: Cambridge University Press, 2000), 272.
