The Formation of Christian Europe analyzes the Carolingians' efforts to form a Christian Empire with the organizing principle of the sacrament of baptism. Owen M. Phelan argues that baptism provided the foundation for this society, and offered a medium for the communication and the popularization of beliefs and ideas, through which the Carolingian Renewal established the vision of an imperium christianum in Europe. He analyzes how baptism unified people theologically, socially, and politically and helped Carolingian leaders order their approaches to public life. It enabled...