Why do so many cultures have divinities in similar roles?

Cultures have similar divinities and deities due to their perception of  good and evil.  All cultures may have a different practice but all cultures know the concept of what is bad and what is good is very common in all culture. For example, in some cultures, their perception of natural disaster is associated with evil. They believe that these events occur because they have offended their god and thus the calamity was their punishment.

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