Mennonites in the World War: Or Nonresistance Under Test by Jonas Smucker Hartzler delves into the history of Mennonites during wartime focusing on their nonresistant stance and challenges faced in upholding their beliefs. The book explores Mennonites' refusal to bear arms due to religious convictions their experiences in wars like the Civil War and struggles with military laws. Through personal accounts and historical events it portrays the sacrifices made by Mennonites to maintain their principles of nonviolence and peace amidst persecution and threats.