U.S. Entry Into World War I: Lessons One Hundred Years Later

John Milton Cooper

Professor Emeritus, University of Wisconsin; Author, Woodrow Wilson: A Biography, and Breaking the Heart of the World: Woodrow Wilson and the Fight for the League of Nations

Jennifer Keene

Professor and Chair, History Department, Chapman University; Author, Doughboys, the Great War, and the Remaking of America, and World War I: The American Soldier Experience; President, Society of Military History

Jay Winik

Historian-in-Residence, Council on Foreign Relations; Author, April 1865: The Month That Saved America, and 1944: FDR and the Year That Changed History

James M. Lindsay

Senior Vice President, Director of Studies, and Maurice R. Greenberg Chair, Council on Foreign Relations


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One hundred years ago this month, the United States declared war on Germany and thereby entered World War I. Experts discuss why the United States entered "the Great War," the consequences it had for American society and foreign policy, and what lessons it holds for Americans going forward.

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