 By the infusion of Western monasticism and Pisan ecclesiastic rule, she became involved in the conflicts and commerce of Europe.Under Constantine I of the Lacon dynasty, Arborea paid tribute to the papacy and sponsored Camaldolese monks, in opposition to the monks of Marseille favoured by rival Cagliari.Constantine did homage to Pisa for his "kingdom" and his successor was his brother Comita II.