When the United States entered World War I in 1917, thousands of African-American men volunteered to fight for a country that granted them only limited civil rights. Many from New York City joined the 15th N.Y. Infantry, a National Guard regiment later designated the 369th U.S. Infantry. Led by mostly inexperienced white and black officers, these men not only received little instruction at their training camp in South Carolina but were frequent victims of racial harassment from both civilians and their white comrades. Once in France, they initially served as laborers, all while chafing to...