Final answer:
Judaism began with Yahweh's promise to Abraham, as outlined in the Jewish Bible. This covenant is central to the Jewish faith and also significant to Christianity and Islam.
Step-by-step explanation:
According to the Jewish Bible, Judaism began with Yahweh's promise to Abraham. This promise is known as the covenant, which is a foundational aspect of Judaism. The covenant established between Yahweh and Abraham included the promise of a special relationship and the land of Canaan as a permanent home for his descendants, as well as certain obligations such as the circumcision of all Hebrew males. This covenant is also recognized as a significant element in the foundation of Christianity and Islam, making these religions along with a few others referred to as Abrahamic faiths.