 Complete the following phrase:  Considered archaic and appropriate only in emergencies, the royal arrière-ban was re-instituted in France by Philip IV 12851314, who asserted his right to military service from the tets and vassals of his vassals. The arrière-ban was proclaimed throughout the Kingdom of France on 30 April 1337, at the start of the Hundred Years War. Thereafter, there were numerous summons, causing the practice to become ineffective and unpopular. After the 