These lectures trace America's emergence as a modern, industrialized nation. The United States underwent dramatic economic and philosophic changes in this era. Amidst growing material wealth, leading intellectuals embraced ideas opposed to American freedom and prosperity. How did these philosophic changes affect American life? What ideas caused Progressivism? What caused America to enter two wars? Dr. Daniels explains the major events and intellectual trends of American history in this period, focusing on illuminating the broad trends in our history.