 Complete the following phrase:  By mediation of the Federal Tagsatzung, bloodshed in what was known as the First War of Kappel was barely avoided. The peace agreement Erster Landfriede was not exactly favourable for the Catholic party, who had to dissolve its alliance with the Austrian Habsburgs. The Protestant cantons also demanded that the catholic cantons allow Protestant preachers into them, and imposed a trade embargo to try to force them to agree. In late September 1531, about 8,000 soldiers from the Five Cantons including Uri marched against Zurich and Zwingli to lift this embargo. When they met Zwinglis forces on 11 October 1531 at the 