William Graham Sumner Quotes about War
William Graham Sumner (1963). “Social Darwinism: selected essays”, Prentice Hall
The great force for forging a society into a solid mass has always been war.
William Graham Sumner (1914). “The challenge of facts: and other essays”
William Graham Sumner (1919). “War and Other Essays”
William Graham Sumner (1919). “War and Other Essays”
William Graham Sumner (2007). “Folkways: A Study of Mores, Manners, Customs and Morals”, p.33, Cosimo, Inc.