Constantine was now on his way to abolishing the tetrarchy and establishing himself as a single emperor to rule over all. From that moment onward he heaped all the fruits of imperial patronage on Christian bishops and believers. His soldiers went into battle with the Chi-Rho daubed on their shields. Officials from across the empire were told to enforce a new imperial edict issued in Milan in a.d. 313, which promised nondiscrimination against Christians.
