Commerce and industry thrive across the new nation, now one of the wealthiest on Earth. The Erie Canal brings big risk and bigger reward. In the South, cotton is king but slavery fuels a growing divide. Violence flares across the territories and abolitionists make a stand for freedom. The election of Lincoln is a harbinger of war.

The Transcontinental Railroad unites the nation and transforms the Heartland. Native American civilizations decline as farmers settle the continent. Cattle replace wild buffalo as king of the Plains; the Cowboy becomes a new American icon.

World War II transforms America into a global Superpower. The economy booms. Technology feeds the boom and a new age of consumerism is born. More than twenty thousand cars roll off production lines daily and - just like the Transcontinental Railroad more than a century before - the Interstate highways connect the country. After defending their country and their ideals the Greatest Generation comes home. Like the pioneers before them they push back the boundaries, plowing up over a million acres of virgin territory a year to create the suburbs. This pioneering spirit knows no bounds as first the jet age and then the space age takes America into the supersonic era. The first man walks on the moon - and plants the American flag. Optimism for the future prevails - but first America must deal with the past - and the issue of race. It's a second Civil War, but finally the Civil Rights movement brings the words of the Declaration of Independence home to ALL Americans - black and white.