This book sheds new light on U.S.-Italian relations during World War I by examining in detail one of the most important elements of that diplomatic relationship - the American propaganda campaign in Italy from 1917 to 1919. In revealing how the first U.S. foreign propaganda agency, the Committee on Public Information, helped to implement Woodrow Wilson's version of the «New Diplomacy» in Italy, this study demonstrates that American propaganda made the Wilsonian political program a major factor in Italian politics during that critical period and analyzes the significant impact that the Wilsonian phenomenon had on U.S.-Italian relations, especially at the Paris Peace Conference.