sentences:  Berenguer regarded Silvestre as reckless, but was unwilling to rein him in largely because his friendship with the king, who had the final say over who was promoted and when.Silvestre led several campaigns against Mulai Ahmed er Raisuni, a notorious North Moroccan brigand, from 1913 through 1920.After a long struggle, he defeated Raisuni in October 1919 in the battle of Fondak pass.