In 1940, the Committee to Defend America by Keeping Out of War sponsored an Emergency Peace Mobilization conference held in Chicago (Illinois). It was attended by over 20,000 people. Out of this conference came the American Peace Mobilization, a nonprofit organization which aimed to "keep us out of war and . . . preserve and extend our democracy." Over the months of its existence, the APM -- through its literature, lobbying efforts, and conferences -- continued to press for nonintervention in...