In the meantime two distinct factions had developed among the princes of Germany. One espoused the Roman cause, the other the Reformation. From 1525 to 1529 a series of diets and assemblies was held. The rival princes concerned themselves largely with attempts at, and opposition to, the invoking of the ban against Luther, his works, and his cohorts which had been executed at Worms. At Speyer in 1529 the Catholic princes, with the emperor’s backing, tried to force a resolution preventing the spread of Luther’s teachings in any new areas, but the Reformation princes protested. Matters concerning salvation were of an individual nature and could not be legislated. Conscience bound them to oppose the resolution. Principles which the Wittenberg monk had declared only eight years before were becoming the national mind. The Augsburg Confession Sparks of the Reformation had caught fire elsewhere in Europe developing into Reformed, Mennonite, Anabaptist, and other denominations. A major purpose of the diet called by Emperor Charles at Augsburg in 1530 was to harmonize these various groups and attempt a final reconciliation with Rome. To this end each body was to define its teaching in a statement or confession, but not all were represented at the diet and only three were actually submitted. As usual the papists were laying for the Lutherans. They had prejudiced the emperor against a fair hearing and were reserving their best ammunition for the Saxon “heretics,” fully confident that a Lutheran defeat would speedily bring the downfall of the others. Still under imperial ban, Luther could not attend the diet but stayed at a castle in Coburg from which he advised Melanchthon and others appearing before the emperor. The confession, a series of twenty-eight articles setting forth the Lutheran position, was read on June 25. The first twenty-one present fundamental doctrines of the Scriptures regarding God, Original Sin, the Son of God, Justification, the Church, the Sacraments, Civil Affairs, the Freedom of Will, the Cause of Sin, Good Works, and the Worship of Saints; while the last seven treat of Roman abuses which contradict the Word of God. The emperor commissioned the Roman theologians to prepare a refutation. On the basis of it he rejected the Lutheran confession, ordered church property restored to Roman bishops, and forbade witnessing and the printing or sale of Lutheran writings. Dejected by their failure to reform the church, the Lutherans went home in the fall of 1530 unaware that their confession would become a basic creed of the largest Protestant body in the world.