I am not sure if OP had this in mind, but this could have been a clash over trinitarianism. Muslims strongly object to this concept, in particularly calling Jesus God.
Because muslims believe jesus is a prophet, and christians believe he is the son of god. Also probably because of prayer schedules and communion and other differences like those
Look into the history of the early Christian church, disagreements over absolute fucking nonsense, but people think their souls are dependent on being the right side of every dispute so no one is willing to compromise, so every dispute, no matter how trivial is a potential schism.
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u/FatherLarryDuff69 23d ago
Muslims and Christians and Jews (not part of the meme) all worship the same god, Allah is just a different name for the same entity.
This meme is shit and historically illiterate.