the politics of Italy would establish the universal ascendancy of the Guelphic party.
Pisa had always been constant to the Ghibelines, and friendly to the emperor; by his death they found themselves thrown almost without defence into the hands of the Florentines, their enemies; and they therefore gladly acceded to the moderate terms offered to them by the king of Naples and his ally, Florence, for the establishment of peace in Tuscany. If this treaty had been fulfilled, the hopes of the Ghibelines would have been crushed for ever, nor would Castruccio ever have returned to his country; the scenes of blood and misery which followed would have been spared; and Florence, raising its benign influence over the other Tuscan states, would have been the peace-maker of Italy. Events took a different turn. To understand this it is necessary to look back.
Immediately on the death of Henry, the Pisans, fearful of a sudden incursion of the Florentines, for which they might be unprepared, had engaged in their service a condottiere, Uguccione della Faggiuola, who with his
