>>12255279What we call the Sumerian myths are our oldest versions of a global mythology that diverged over time just like the languages. The Bible sometimes references elements of those myths as if you should know all about them.
The mythology includes the tree of life and a sea serpent that holds the world together and was bound there by the highest God. These elements are all referenced in Hebrew, Greek and Nordic mythology.
Justins letters to the emperor are good early apologetic which helps understand the mindset that let the early Christian church spread.
If you look at some detail into any moment in European Christian history the positive impact of Christianity always tends to stand out. The narrative that it's more destructive than other groups doesn't fit any data, Christianity maintained more for longer than any other system.
https://www.youtube.com/watch?v=o9UdIdSadJUIf you read the words of the best scientists that advanced knowledge the most they tended to be inspired by Christian ideas of becoming "closer to God".
A map is a representation of reality that helps you navigate it, the best maps aren't 1:1 representations but effective ones and Christianity is the best map of the world ever made.