How did Marin Luther brake away from the Catholic Church?

Answer 1

Is the answer this:

To brake away from the Catholic Church he called on the German Princes to overthrow the papacy in Germany and establish a reformed German Church.

Answer 2

That's part of the answer. Check this article on the 95 Theses for more information.

http://en.wikipedia.org/wiki/The_Ninety-Five_Theses

Answer 3

What exactly is the Ninity Five theses?