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Anti-protestantism contributed a lot to Louis' downfall because it caused them to not agree with him on many issues ;)
Anti-protestant movements forced Louis to set some boundaries which included the Edict of Fontainebleau. However, this action lead to his downfall.
Catholicism (27,0%)
Protestantism (16,6%)
Islam (5,7%)
Hinduism (1,3%)
Buddhism (1,0%)
Non-religious (48,4%)
the central doctrine of protestantism is 1 god monotheism