League to Enforce Peace

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The League to Enforce Peace (LEP) was an American organization established in 1915 to promote the formation of an international body for world peace. It was formed in Philadelphia by American citizens concerned by the outbreak of World War I in Europe.


Prewar projects[edit]

Theodore Roosevelt, usually in coordination with Republican leaders Henry Cabot Lodge and William Howard Taft, began offering proposals for a league of Nations to guarantee the world peace, starting in 1905. In his 1905 annual message to Congress[citation needed] he identified the need for "some method" of control of "offending nations" which would someday become the responsibility of "an international peace power."[citation needed] In his Nobel prize address of 1910, he said, "it would be a master stroke if those great Powers honestly bent on peace would form a League of Peace, not only to keep the peace among themselves, but to prevent, by force if necessary, its being broken by others."[1] It would have executive power such as the Hague Conventions of 1899 and 1907 lacked. He called for American participation.


No one expected a great war to start in 1914, but the July Crisis launched a world war and made the cause of peace an immediate concern. Activism calling for the formation of an international organization to contain and respond to violence began in 1914 with speaking tours to arouse support. Roosevelt proposed in September 1914 "a World League for the Peace of Righteousness," which would preserve sovereignty but limit armaments and require arbitration - and added that it should be "solemnly covenanted that if any nations refused to abide by the decisions of such a court, then others draw the sword in behalf of peace and justice."[2][3] In 1915 he outlined this plan more specifically, urging that nations guarantee their entire military force, if necessary, against any nation that refused to carry out arbitration decrees or violated rights of other nations. He insisted upon the participation of the United States as one of the "joint guarantors." Roosevelt referred to this plan in a 1918 speech as "the most feasible for...a league of nations."[4][5] By this time Wilson was strongly hostile to Roosevelt and Lodge, and developed his own plans for a rather different League of Nations. It became reality along Wilson's lines at the Paris Peace Conference in 1919. Roosevelt denounced Wilson's approach but died before it was adopted at Paris. However, Lodge was willing to accept it with serious reservations. In the end, on March 19, 1920, Wilson had Democratic Senators vote against the League with the Lodge Reservations and the United States never joined the League of Nations.[6]

Advocates worked to distinguish their efforts from contemporary anti-war efforts that aimed at preventing American participation in the war and to counter misimpression that they were trying to end the war in Europe.[7] Hamilton Holt published an editorial in his New York City weekly magazine the Independent called "The Way to Disarm: A Practical Proposal" on September 28, 1914. It called for an international organization to agree upon the arbitration of disputes and to guarantee the territorial integrity of its members by maintaining military forces sufficient to defeat those of any non-member. The ensuing debate among prominent internationalists modified Holt's plan to align it more closely with proposals offered in Great Britain by Viscount James Bryce, a former ambassador from the U.K. to the U.S.[8]

At a convention in Philadelphia's Independence Hall on June 17, 1915, with the LEP's first president, former U.S. President William Howard Taft, presiding, one hundred noteworthy Americans formally announced the formation of the League to Enforce Peace. They proposed an international agreement in which participating nations would agree to "jointly use their economic and military force against any one of their number that goes to war or commits acts of hostility against another." The founders included Elihu Root,[9] Alexander Graham Bell, Rabbi Stephen S. Wise, James Cardinal Gibbons of Baltimore, and Edward Filene on behalf of the recently founded U.S. Chamber of Commerce. Elected to the Executive Committee were Harvard President Abbott Lawrence Lowell, former Cabinet member and diplomat Oscar S. Straus, magazine editor Hamilton Holt, Taft, and a dozen others[10]

Pacifists rejected the LEP's notion of collective security and nationalists rejected the idea of America submitting to arbitration. The LEP's founders, on the other hand, though varied in their outlooks, expressed a long established ideal of the civilizing influence of the British Empire and American democracy.[11]

The initial efforts of the League to Enforce Peace aimed at creating public awareness through magazine articles and speeches.[citation needed]

The LEP combined enthusiastic support for the American war effort with its proposals for a new international order to follow the defeat of Germany. It presented its plans for an international organization to respond to any nation that would follow a course like that of German militarism.[12]

President Wilson's specific proposal for the League of Nations met resistance from the Republican-controlled Senate and the opposition led by Senator Henry Cabot Lodge of Massachusetts. The high-minded debate deteriorated until the ideal of international cooperation was, writes one historian, "sacrificed to party intrigue, personal antipathy, and pride of authorship."[13] The League to Enforce Peace believed American participation was more important than the exact nature of the organization, but found itself defending Wilson's plan against attempts to restrict American participation in it.[14] When the U.S. Senate debated the treaty with Germany, the LEP specifically opposed attempts in the Senate to restrict American participation in international arbitration.[15]

In February 1919, the League held a series of public meetings in more than half a dozen American cities in support of Wilson's League proposal.[16] President Wilson thanked the League for its support.[17]

In the summer of 1919, the LEP published a book of essays modeled on The Federalist Papers called The Covenanter: An American Exposition of the Covenant of the League of Nations. It delivered a copy to every member of Congress.[18] Lowell, Taft, and former Attorney-General George W. Wickersham were the authors. The New York Times called it a "masterly analysis" and thought it perfectly suited for a broad public: "This—thank Heaven—is a brochure for the lazy-minded!"[19]

With the formation of the League of Nations in 1919 the LEP changed focus slightly to raise grass roots American support for the League of Nations. For example, in November 1920 it analyzed the annual budgets of the League of Nations to demonstrate that participation in the League of Nations in the coming year would cost the United States "exactly one-tenth of one percent of what we spent on armaments during a single year before the war, while it would amount to something like two-thousandth of one per cent of what the direct cost of our belligerency reached in 1918."[20]

Support for the LEP dissolved and it ceased operations by 1923.[21]

Some of the League's records are held by the Harvard University Library.[21]


  1. ^ Henry F. Pringle, Theodore Roosevelt: A Biography (1931) p 519
  2. ^ J. Lee Thompson (2014). Never Call Retreat: Theodore Roosevelt and the Great War. pp. 32–34.
  3. ^ Richard M. Gamble (2014). The War for Righteousness: Progressive Christianity, the Great War, and the Rise of the Messianic Nation. pp. 97–98.
  4. ^ William Clinton Olson, " Theodore Roosevelt's Conception of an International League" World Affairs Quarterly (1959) 29#4 pp 329-353.
  5. ^ Stephen Wertheim, "The league that wasn't: American designs for a legalist-sanctionist league of nations and the intellectual origins of international organization, 1914–1920." Diplomatic History 35.5 (2011): 797-836.
  6. ^ David Mervin, "Henry Cabot Lodge and the League of Nations." Journal of American Studies 4#2 (1971): 201-214. online
  7. ^ New York Times: "Seek to Stir West for Peace League," July 31, 1914, accessed January 1, 2011
  8. ^ Herman, 56-7
  9. ^ Strauss, Lewis (1962). Men and Decisions. Garden City, New York: Doubleday. p. 50. ISBN 1299121713.
  10. ^ New York Times: "League to Enforce Peace is Launched," June 18, 1915, accessed January 2, 2010
  11. ^ Herman, 57ff.
  12. ^ New York Times: "To Hold War Convention," March 18, 1918, accessed January 1, 2011
  13. ^ Yeomans, 454
  14. ^ New York Times: "Straus Deplores Taft Reservations," July 25, 1919, accessed January 1, 2011
  15. ^ New York Times: "Reed Reservation Called Fatal," November 17, 1919, accessed January 1, 2011
  16. ^ New York Times: "Send Committee to Paris," December 19, 1918, accessed January 1, 201
  17. ^ New York Times: "Wilson Praises Support," February 15, 1919, accessed January 1, 2011
  18. ^ New York Times: "Issues 'The Covenanter'," July 2, 1919, accessed January 1, 2011
  19. ^ New York Times: "The Truth about the League of Nations," July 27, 1919, accessed January 2, 2010
  20. ^ New York Times: "Compares Cost of War and League of Nations," November 22, 1920, accessed January 1, 2011
  21. ^ a b "League to Enforce Peace (U.S.) additional papers". Harvard University Library. Retrieved 31 December 2010.


  • Bartlett, Ruhl Jacob. The League to Enforce Peace (University of North Carolina Press, 1944)
  • Herman, Sondra R. Eleven Against War: Studies in American Internationalist Thought, 1898-1921 (Stanford, CA: Hoover Institution Press, 1969), ch. III: "The League to Enforce Peace: The Polity as Posse Comitatus"
  • Mervin, David. "Henry Cabot Lodge and the League of Nations." Journal of American Studies 4#2 (1971): 201-214. online
  • Olson, William Clinton. " Theodore Roosevelt's Conception of an International League" World Affairs Quarterly (1959) 29#3 pp 329-353.
  • Wertheim, Stephen. "The league that wasn't: American designs for a legalist-sanctionist league of nations and the intellectual origins of international organization, 1914–1920." Diplomatic History 35.5 (2011): 797-836.
  • Yeomans, Henry Aaron. Abbott Lawrence Lowell, 1856-1943 (Cambridge: Harvard University Press, 1948)

Primary sources[edit]

  • "The League of Nations, What It Means and Why It Must Be", by William Howard Taft - National Geographic, January 1, 1919, page 43