After the attack on Pearl Harbor, the United States was wakened from its slumber of isolationism. To help him steer the nation through the coming war, President Franklin Roosevelt turned to the greatest “team of rivals” since the days of Lincoln: Secretary of War Henry Stimson, Admiral Ernest J. King and General George C. Marshall. Together, these four men led the nation through history’s most devastating conflict and ushered in a new era of unprecedented American influence, all while forced to overcome the profound personal and political differences that divided them.