America in the Gilded Age and Progressive Era; six innovative decades marked by economic, political, social and technological upheavals; the US goes from an agrarian, isolationist country to great industrial power and a geopolitical superpower.

America in the Gilded Age and Progressive Era; six innovative decades marked by economic, political, social and technological upheavals; the US goes from an agrarian, isolationist country to great industrial power and a geopolitical superpower.