Peace and order were the basic duties of Roman government. ‘Running the empire’ explains how these duties were achieved or unfulfilled. The reigns and styles of government of emperors such as Diocletian, Constantine and Theodosius I, are examined. What exactly were the powers of Roman emperors? Was he considered divine? Who else could acquire power, and what was the status of women within the empire? Why was it so important for the emperor to attend public games? The process of bureaucracy is surveyed — how do you run an empire on a daily basis, and how powerful were the most senior officials?