Progressivism: a very short introduction

The predicament : the discontents of the Gilded Age

The crisis of the nineties, 1889-1901

Progressivism takes shape, 1901-1908

The high tide of progressivism, 1908-1917

Calamities : World War I and the flu epidemic, 1917-1919

Ebb tide, 1919-1921.