Judaism was one of the oldest religions in the world. Islam and Christianity and other Abrahamic groups were influenced by it. Judaism is said to influence Islam and Christianity thru the believe of having one god. Judaism also believed in the concept of the Saviour or the Messiah, religions like Islam, Christianity,Baha'ism, Hinduism and Buddhism have a similar belief but differs ob the names and characteristics.
Christianity was originally a part of the Second Temple of Judaism but differs in certain aspects like the concept of atonement and sin and the characteristics of the Messiah.
