"The Worlds of James Buchanan and Thaddeus Stevens examines the political interests, relationships, and practices of two of the era's most prominent politicians as well as the political landscapes they inhabited and informed. Both men called Lancaster County, Pennsylvania, their home, and both were bachelors. During the 1850s, James Buchanan tried to keep the Democratic Party alive as the slavery debate divided his peers and the political system. Thaddeus Stevens, meanwhile, as Whig turned Republican, invested in the federal government to encourage economic development and social reform, especially antislavery and Republican Reconstruction"--