Media type: E-Article Title: Internal Causes and Purposes of War in Europe, 1870-1956: A Research Assignment Contributor: Mayer, Arno J. imprint: University of Chicago Press, 1969 Published in: The Journal of Modern History Language: English DOI: 10.1086/240409 ISSN: 0022-2801; 1537-5358 Keywords: History Origination: Footnote: