It is a bit more complicated: German catholics (arguably) played overall a good role in countering Nazi fascism most notably this guy https://en.wikipedia.org

It is a bit more complicated: German catholics (arguably) played overall a good role in countering Nazi fascism most notably this guy https://en.wikipedia.org/wiki/Clemens_August_Graf_von_Galen https://en.wikipedia.org/wiki/Clemens_August_Graf_von_Galen However, Catholic church played an important role in supporting Hitler's fascist buddy Franco during the Spanish Civil war https://en.wikipedia.org/wiki/Catholicism_in_the_Second_Spanish_Republic#:~:text=The%20Catholic%20Church%20portrayed%20the,troops%20fought%20for%20Franco's%20Nationalists https://en.wikipedia.org/wiki/Catholicism_in_the_Second_Span.... I am sure there are many other examples on both sides. Similar to other religions. Some claim it is difficult to be Zionist or Shia Muslim and not lean left for example (counter to the common stereotype).