Philip's foreign policies were determined by a combination of Catholic fervour and dynastic objectives. He considered himself the chief defender of Catholic Europe, both against the Ottoman Turks and against the forces of the Protestant Reformation. He never relented from his fight against heresy, defending the Catholic faith and limiting freedom of worship within his territories. These territories included his patrimony in the Netherlands, where Protestantism had taken deep root. Following the Revolt of the Netherlands in 1568, Philip waged a campaign against Dutch heresy and secession. It also dragged in the English and the French at times and expanded into the German Rhineland with the Cologne War. This series of conflicts lasted for the rest of his life. Philip's constant involvement in European wars took a significant toll on the treasury and caused economic difficulties for the Crown and even bankruptcies.