An eight-year war of independence followed by intense political debate produces a government by and for the people.

Six presidents reflect the uneasy transition from old traditions to an expansion of land, influence and opportunity.

New territory brings about old confrontations, a decision on slavery is made, and the presidency is used to restore the Union.

Several presidents in a row lack vision for the future, and the office loses impact.

The chasm between the rich and the poor grows at the beginning of the 20th century, and a president fights for the common man against Congress and big industry.

After the first global war ends, the economy begins to boom, America crashes into depression and World War II begins.