95. The death of Frederick II. virtually ended the soldier power in Florence; and the mercantile power assumed the authority it thenceforward held, until, in the hands of the Medici, it destroyed the city.
We will now trace the course and effects of the three revolutions which closed the reign of War, and crowned the power of Peace.
96. In the year 1248, while St. Louis was in Cyprus, I told you Frederick was at war with Venice. He was so because she stood, if not as the leader, at least as the most important ally, of the great Lombard mercantile league against the German military power.
That league consisted essentially of Venice, Milan, Bologna, and Genoa, in alliance with the Pope; the Imperial or Ghibelline towns were, Padua and Verona under Ezzelin; Mantua, Pisa, and Siena. I do not name the minor towns of north Italy which associated themselves with each party: get only the main localities of the contest well into your minds. It was all concentrated in the furious hostility of Genoa and Pisa; Genoa fighting really very piously for the Pope, as well as for herself; Pisa for her own hand, and for the Emperor as much as suited
