Why did the German Reformation develop into the Peasant War?

The German Reformation began in the first half of the 16th century. It was aimed at fighting the Catholic Church and its unjust order. Nobles, intellectuals, peasants and many others fought against indulgences and the Inquisition. Many Protestants believed that selling the forgiveness of God for big money was a machination of the church, which had nothing to do with the truth of faith. After some time, peasants began to revolt in Germany, against landlord land ownership and high tax collections in favor of the state.