How are all the Abrahamic Religions related to each other?

Question

How are all the Abrahamic Religions related to each other?

In: 2

Answer 1

Polytheistic desert tribe goes monotheistic based on a guy named Abraham and were called Jews. Many years later a Jew wanted to reform the religion with a lot of new ideas, creating a new branch which formed the religion of Christianity. Years later another guy out in the desert cribbed from both to create a localized version called Islam.