The Northern Pacific, in part, sold itself to the government as a means to subdue Indians.
Henrietta M. Larson, Jay Cooke: Private Banker (Cambridge: Harvard Univ. Press, 1936), 254, 273-95.
Robert G. Angevine, The Railroad and the State: War, Politics, and Technology in Nineteenth-Century America (Stanford: Stanford Univ. Press, 2004), 194, 198-99.