Christianity~
1. Christianity had developed from the Jewish religion, but soaked up some Zoroastrianism (Persian) concepts.
2. This religion, like many others, had also been influenced by the Greco-Roman beliefs (which was mixed too)
3. Egyptian religion had also taken an effect on the Christain religion too.
Hinduism~
1. This reilgion was influenced by Mohenjo Daro.
2. Also affected by the Aryan religion.
3. Dravidian religon had taken an effect too.