 Complete the following phrase:  Throughout the 1520s, Zwinglis influence grew in Switzerland, though many Swiss, especially in rural and forest areas, remained loyal to the Catholic church and opposed Zwinglis reforms. Before 1530, some southern German cities supported Zwingli, and some German Lutheran theologians in other areas of Germany developed sacramentarian views independently of Zwingli, but they were quickly silenced by Lutheran theologians in Wittenberg. In early 1531, Phillip of Hesse formed the Schmalkaldic League, solidifying the Lutherans hold on Germany to the exclusion of Zwinglianism. Meanwhile, Zwingli began to use force aggressively to solidify Protestant gains in Switzerland. Following success against Catholics in the First War of Kappel of 1529, Zurich enforced a harsh blockade on Catholic cantons, leading to the 