Most pre-Christian & pre-Muslim religions were polytheistic, worshipping thousands of gods & goddesses.
Early Christians refused to worship the Roman Gods. Virtually every other religion at the time was polytheistic (many gods), so when
It had state gods but allowed other religions.
The highest powers were said to be choosen by whichever gods or goddesses they believed in. They had state gods but allowed other religions
Because the Romans took the Greek gods but actually, the Romans had quite a few more gods than the Greeks. At first, the Romans found similarities between the major gods and the number of gods was about the same. However as the Roman empire expanded, they assimilated other cultures' gods into their pantheon and the number mushroomed.
Dick Harfield's answer puts it concisely. Gods are a construct of humans to explain the unexplainable. The Greeks had their version, as did other ancient religions. Modern religions are later versions of the theme. Our increasing understanding of science gives us explanations of how things happen, however many people choose to remain with the wide range of religious answers, but tend to reduce the number of gods to a more manageable number and having a range of gods to cover all aspects of life in less useful.
bicth it had state gods but allowed other religions
There have been a number of books written on the topic of Hades, but usually it is a compilation book with a number of other Gods and Goddesses.
The Other Gods was created in 1933.
The early Christians refused to worship the official gods of Rome.
The Maori and Greek Gods were known to be close. This Gods were well known in the early modern era.
we all don't know this
yes