Question

Why did Martin Luther challenge the Catholic Church?

Answer 1

Step-by-step explanation:

On 31 October 1517, he published his '95 Theses', attacking papal abuses and the sale of indulgences. Luther had come to believe that Christians are saved through faith and not through their own efforts. This turned him against many of the major teachings of the Catholic Church.

Answer 2

Luther had come to believe that Christians are saved through faith and not through their own efforts.