With the title "Enlistment of the Army" - a phrase found in Byzantine sources - it refers to the set of actions aimed at strengthening the morale of the army, a necessary condition for the successful conduct and outcome of a war. In the Byzantine era, when wars were frequent and long-lasting, the psychological preparation of the soldiers was a major concern of the state, which took care to instill courage and the belief that they were fighting for high ideals and a just cause, and therefore that they would have the protection and favor of God. The events and ceremonies - whether religious or not - have a strong religious element, while art is also "enlisted".