America's School for War: Fort Leavenworth, Officer Education, and Victory in World War IIArmy Historical Foundation Distinguished Writing Award When the United States entered World War II, it took more than industrial might to transform its tiny army smaller than even Portugal's into an overseas fighting force of more than eight and a half million. Peter Schifferle contends that the determination of American army officers to be prepared for the next big war was an essential component in America's ultimate triumph over its adversaries.