“Difficulties continued to disturb the good understanding between the viceroys and the archbishops, although royal cédulas had clearly fixed the jurisdiction to which either of them was entitled, their tenor being essentially favorable to the viceroys. In later years under the rule of Mancera an outbreak of these old hostilities was prevented merely by the duke's diplomacy, and the modesty and genuine Christian spirit of the then archbishop Alonso de Cuevas.”