This study examines the five American Legion battalions of the Canadian Expeditionary Force formed in 1915 specifically to recruit American volunteers for the Canadian overseas contingent of the First World War. This study reviews the organization of Canada's militia and Anglo-American relations before examining the formation of the American Legion, the background of its men, and the diplomatic repercussions it sparked. This study is based largely on material in the Public Archives of Canada including war records and the personal papers of several participants. During its brief existence, the American Legion precipitated constitutional, diplomatic, and political problems. The issues the American Legion raised were mostly solved by America's entry in the war. The episode hastened the maturity of Canada as a nation.

This dissertation examines the five battalions of the Canadian Expeditionary Force designated as the American Legion. Authorized in Canada between 1915 and 1917, these units were formed to recruit volunteers from the United States to serve in the Canadian Overseas Contingent during the First World War. This work reviews the organization of Canada’s militia and the history of Anglo-American relations before examining the Canadian war effort, the formation of the American Legion, the background of its men, and the diplomatic, political, and constitutional questions that it raised. Much of the research focuses on the internal documents of its individual battalions (the 97th, 211th, 212th, 213th and 237th) and the papers of Reverend Charles Bullock now housed at the Public Archives of Canada. Documentation for the diplomatic furor the American Legion caused comes largely through the published diplomatic documents, British Foreign Office records held at the Public Record Office at Kew, and United States Department of State files at the National Archives at College Park, Maryland. The most useful sources for American Legion correspondence are the Beaverbrook papers held at the House of Lords Record Office, the papers of Canadian Prime Minister Sir Robert Laird Borden, and those of the Governor-General, the Duke of Connaught found in the Public Archives of Canada. During its brief existence the American Legion precipitated diplomatic and political problems in the United States, the United Kingdom, and the Dominion of Canada. Among the issues raised by the controversy surrounding the American Legion were: the relationship between the dominion government in Canada and the British government; the structural problems of imperial communications; the rise of a Canadian national identity and the desire for greater autonomy; and, the nature of citizenship and expatriation. This dissertation is also a long overdue account of the thousands of United States citizens who left their homes and families to join the American Legion in order to fight another country’s war.

Administration of armies has been sadly neglected in historical studies but the ability of the AIF to develop an efficient system of administration and to fit into the equally efficient British system, had much to do with the success of the AIF, especially late in the war. The various Empire governments had made some preparations for an alliance system of fighting in the event of a major war, but in practice these needed a great deal of adjustment. This thesis examines the manner in which the dominions and Britain planned for a possible war and the way in which changes had to be made in practice. It examines the manner in which the AIF developed a system and the many facets of this system, which had developed a remarkable degree of efficiency by the end of the war. Because the AIF and CEF were so alike in size, composition and in the problem they faced, a recurring theme of the thesis is a comparison between the two. It embraces the following: a. Prewar preparation for a combined empire army. b. The organisation of the administrative system of the AIF and the manner this improved through the war. c. The organisation and problems of the CEF administrative system d. The development of a system of capitation to pay for the services supplied to the AIF and CEF. e. Supply of equipment. f. Manner in which both forces worked to maintain their forces. g. The manner in which both forces catered for the needs of the individual soldiers. h. Supply in the field i. Medical administration in the AIF j. The administration in the AIF k. The administration of discipline in the AIF l. The demobilisation of the AIF.

Autorisé le 31 décembre 1914, le 41e bataillon (canadien-français) du Corps expéditionnaire canadien était voué à suivre les traces du désormais célèbre 22e bataillon et à combattre à ses côtés sur le théâtre européen. Sept mois après sa formation, cette unité composée d’un amalgame hétéroclite de francophones et de volontaires étrangers fut pourtant dissoute, succombant à une vague d’insubordination marquée par un nombre record d’infractions, des désertions par centaines, plusieurs délits de corruption, une épidémie d’ivrognerie et deux homicides. Aussitôt oublié, le dossier du 41e fut rouvert une première fois en 1974 par l’historien Desmond Morton, qui imputait l’échec de l’unité à l’incompétence de ses officiers. Nous jugeons cette interprétation recevable quoique limitée, car si Morton a prouvé de façon convaincante l’inaptitude des gradés du 41e, son approche traditionnelle à l’histoire militaire nous en dit peu sur les mécanismes qui permirent la propagation de l’insubordination parmi les hommes du rang. Ce mémoire, qui se réclame de l’approche microhistorique, vise à réorienter l’analyse du point de vue du simple soldat, en insistant sur les facteurs sociaux, culturels et circonstanciels qui provoquèrent la désintégration prématurée de l’unité. Reposant sur un corpus inédit composé, entre autres, des rapports de cour martiale et des dossiers de service du 41e bataillon, cet effort de réinterprétation révèle une absence généralisée de cohésion au sein de l’unité. Dans le cas insolite du 41e bataillon, la discipline apparaît ainsi comme étant fonction de la qualité des relations interpersonnelles de ses membres plutôt qu’uniquement liée aux qualités individuelles de leurs supérieurs. / Authorized on December 31, 1914, the 41st Battalion (French-Canadian) of the Canadian Expeditionary Force was destined to follow in the footsteps of the renowned 22nd Battalion and fight on the western front. However, only seven months after its formation, this multiethnic unit made up of French-Canadian and foreign volunteers was disbanded due to a wave of insubordination that included a record number of infractions, desertions by the hundreds, several corruption scandals, widespread drunkenness and the cold- blooded murder of two Canadian servicemen. Long forgotten, the case of the 41st Battalion was examined for the first time in 1974 by historian Desmond Morton, who attributed the unit’s failure to the shortcomings of its officers. We find this interpretation acceptable, albeit limited. While Morton convincingly demonstrated the incompetence of the Battalion’s officers, his traditional approach to military history fails to unveil the mechanisms by which indiscipline was allowed to spread among the rank and file. This thesis, grounded in the micro-historical approach, shifts the analysis from a top-down to a bottom-up perspective, emphasizing the social, cultural and circumstantial factors which played into the unit’s collapse. Drawing from unpublished sources including court-martial reports and personnel record files of the 41st Battalion, this study reveals a widespread lack of cohesion within the unit. In the strange case of the 41st Battalion, discipline thus depends not only on the individual qualities of the officers, but also on the quality of interpersonal relationships among the rank and file.