Pershing's Lieutenants details the history of the key leaders working for and with the American Expeditionary Forces Commander-in-Chief General John J. Pershing, several of whom went on to become important figures in World War II.World War I had a profound impact on the United States of America, which was forced to 'grow' an army almost overnight. The day the United States declared war on Germany, the US Army was only the 17th largest in the world, ranking...