Why and how did Americans perceive themselves as one people from the early history of the republic? How did African Americans and others at the margins of U.S. civic culture apply this concept of union? Why did the term disappear from vernacular after the 1880s? In his search for answers, Kersh employs a wide range of methods, including political-theory analysis of writings by James Madison, Frederick Douglass, and Abraham Lincoln and empirical analysis drawing on his own extensive database of American newspape