how are the religions of islam, christianity and judaism all connected to each other?

The Abrahamic religions, also referred to collectively as Abraham-ism, are a group of Semitic-originated religious communities of faith that claim descent from the Judaism of the ancient Israelite and the worship of the God of Abraham. The Abrahamic religions are mostly monotheistic, with the term "deriving" from the patriarch Abraham which is  (a major biblical figure from the Old Testament, who is recognized by Jews, Christians, Muslims, and others)

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