1. Many problems divided and weakened the Catholic church.
2. Rulers opposed the political power of the church
3. Many bishops and popes fathered children and cared about wealth more than saving their mortal souls.
4. Many priests were poorly trained and Church came to power not because of moral qualities but because of wealth.
5. The Catholic church made their members pay high taxes to build fancy churches and to give the pope a rich lifestyle.
6. The Church raised money by selling indulgences, or pardons for sin, some priests guaranteed entry to heaven if they contributed money to the church, but many people did not agree with how they raised money.
7. Sale of indulgences infuriated Martin Luther so much that he wrote 95 theses or arguments about indulgences and posted it on the door of a main church in Wittenberg.
8. Diet of Worms is an assembly that put Luther on trial for his attack on the church.
9. John Calvin was a french protestant leader who published "The Instiutes of Christain Religion," he taught that predestination was the idea that God had long ago determined who would gain salvation.
10. William Tyndale printed an English translation of the New Testament of the Bible, but, he was burned at the stake.

-jonchoi