The growth of antislavery sentiment during this era had origins traceable to several aspects of life in revolutionary America. The two most important were the philosophical basis of the revolution and the evolving economic situation, both of which worked together to destroy slavery in the northern and middle states and to restrict it in the South.

Considered "the father of the science of human relations," Elton Mayo was instrumental in the development of industrial psychology and sociology in America. The career of Elton Mayo and his attraction to influential figures like John D. Rockefeller, Jr., provide a chronological order and interpretive force to understand this development. Mayo's concern about human behavior in the modern industrial world and management's concern over the future of industrial relations, found common ground in their support for the development of a science of human relations. It is not a coincidence then, that the social sciences developed at a time when industrial capitalism shifted its energies from organizing material resources to organizing human resources. The development of modern social science can best be understood, thus, as a phase of the social history of corporate capitalism. The career of Elton Mayo and his attraction to influential figures like John D. Rockefeller, Jr., provide a chronological order and interpretive force to understand this development.

Eagles Overhead provides a critical history of US Air Force Forward Air Controllers and examines their role, status, and performance in the Air Force's history. It begins by examining the US's initial adoption of air power, and American participation in aerial combat during World War I and traces the FACs' contributions to every US Air Force air campaign from the Marne in 1918 to Mosul in 2017. However, since 2001 FACs' contributions have been sporadic. Eagles Overhead asks why, despite the critical importance of FACs, have they not been heavily used on US battlefields since 2001? It examines the Air Force FAC's theoretical, doctrinal, institutional, and historical frameworks in the first nine chapters to assess if the nature of air warfare has changed so significantly that the concept and utility of the FAC has been left behind. Or, has the FAC been neglected since 2001 because the Air Force dislikes the capability as it clouds the service's doctrinal preferences? From these examinations, Eagles Overhead draws conclusions about the potential future of Air Force FACs.