This work investigates the complex intersection of imperial policy and the institutional development of the early Christian Church under the reign of Constantine the Great. Norman H. Baynes, a distinguished historian of the late Roman Empire, utilizes primary source documentation and contemporary ecclesiastical records to analyze how Constantine’s conversion influenced the administrative and theological trajectory of the Church. The text argues that Constantine’s actions were not merely political maneuvers but reflected a genuine, albeit complex, engagement with the emerging Christian orthodoxy of the fourth century.

Historians frequently cite this text as a foundational academic study for understanding the political mechanics of the Constantinian era. Readers often note the scholarly density of the prose, which assumes a baseline familiarity with late Roman history and ecclesiastical development.