text:  of Leon disgusted him with active warfare; and he deputed the command of his armies to his generals and the princes of the blood who in annual campaigns so effectually kept the Christians within their limits that little territorial acquisition was made by them during his reign; while the voluntary adhesion of the Berber tribes after the overthrow of the Edrisite dynasty in 941 by the arms of the Fatimite khalifs gave him almost unresisted possession of great part of Fez and Morocco