Why did Congress object to Lincolns wartime plan for reconstruction?
 Why did the fortunes of the Knights of Labor rise in the late 1870s…?
 What led to the labor wars of the 1890s?
 How did grassroots progressives attack the problems of urban…?
 What impact did the economic depression have on everyday life?
 How did war in Europe and Asia influence U.S. foreign policy?
 How did the black freedom movement evolve?
 How did George W. Bush alter the focus of U.S. foreign and domestic.?