....... There is no indication that the religious beliefs of Babylonia were spread world wide, You need to present evidence and references.......
In Scripture I find Nimrod's kingdom as first as per Genesis 10:8-10.
Babylon became a political capital, and its history was also as a religious center from which their religious influence spread out in many directions from ancient Babylon. That is why we see so many overlapping or similar religious teachings and idea spread out world wide in today's religious world.
I see a reference from a professor Morris Jastrow, Jr. in his book about the religion of Babylonia and Assyria that in the ancient world reveals the unmistakable influence of Babylonian conceptions .....
Babylon's religious influence traced eastward to India according to the book 'New Light on the Ancient East' by an archaeologist V Chide.
I am wondering if you have references to the contrary.