The third phase of the Council Trent (1562–63) witnessed a crisis erupt over whether bishops resided in, and ruled, their dioceses de iure divino (by divine right) or by papal authority. Cosimo I de’ Medici, Duke Florence, cooperated with instructions from Pope Sixtus IV to send Tuscan Trent, vote as bloc for Episcopal residency This position strengthened primacy weakened bishops’ claims autono...