America’s history is marked by astounding achievements, but also perilous crises, several of which have threatened the country’s very existence. During these dark periods, America’s greatest leaders came forth to literally save a nation. This riveting program deals with three of the most daunting periods in our history: the American Revolution, the Civil War and the Great Depression and WWII, and three extraordinary U.S. Presidents that met these challenges with manifest courage, unswerving determination and calm vision: George Washington, Abraham Lincoln and Franklin Delano Roosevelt.