Study Guide for Chapter 23 The Course and Conduct of World War I Key Content Terms Define and explain the significance of each Key Content Term listed below. Selective Service Act American Expeditionary Force 369th Regiment convoy system Meuse-Argonne Offensive Key Content Questions Consult History Alive! Pursuing American Ideals and your reading notes to answer the following questions. 1. How did the United States recruit and train the thousands of soldiers needed to make a difference in the war? 2. What role did General Pershing insist the American forces play in the war? Why? 3. Explain how new methods of warfare and new weapons resulted from specific needs on the battlefield. 4. Analyze why the Meuse-Argonne Offensive marked a turning point in the war.