This Advanced Placement-level presentation looks at the causes and effects of the Second Industrial Revolution in the United States. It begins with comparing and contrasting the First Industrial Revolution with the second and included is an organizer that shows the units of the late 1800s. This presentation includes Vanderbilt, Carnegie, Rockefeller, and Morgan; the elements of industrial "organization such as corporation, trust, economies of scale, vertical and horizontal integration, "gospel of wealth," the Bessemer process, robber barons and captains of industry; the effects of laissez-faire capitalism social Darwinism; new immigrants, the Chinese Exclusion Act, and nativist reactions; the South in the late 1800s; immigration and urbanization charts; mass marketing and modern advertising; the "Gibson Girl" and the role of women in late-1800s industrial society; the beginnings of government regulation such as with the Interstate Commerce Act and the Sherman Anti-Trust Act; a case study of the auto industry and "welfare capitalism;" and a list of demographic shifts in U.S. history. This AP US history presentation can easily be modified for any secondary U.S. history course. Be sure to check out "U.S. History Complete Set, Volume I" and "U.S. History Complete Set, Volume II" for all of Present History's U.S. history presentations.