Answer:
Ninety-Five Theses, Printing press, and New Testament translation.
Step-by-step explanation:
Martin Luther nailed the theses to the door of the Wittenberg Church in Germany, which eventually led rise to break Christianity into two groups that came to be known as the Protestant.
Luther targets the papal authority, corruption, indulgence system, and purgatory.
Printing presses played a significant key even though the printing press not created to aid the Protestant Reformation. It allowed ideas and spreading information in massive numbers across all Europe.
Translation of the New Testament in other languages like German helped people to connect and understand the Bible.