Possible Clues:

• Pertaining to fiefs
• Resembling or relating to a medieval social system
• Old-fashioned scrap with a Labour leader
• Of lieges and lords
• It sounds as if the vendetta will be systematic
• Reactionary has long hostility with a novice
• Re lords and vassals
• Medieval in approach
• Few'd will do for such a system, by the sound of it
• Old land use system's one required over in Florida