What evidence will you provide, or are you simply stating your personal belief?
Google, " Epic of Gilgamesh". The proof is in the reading....passages lifted straight out of this saga and transposed to the Hebrew Scriptures.
The ' Flood" is one instance.
The early Hebrews came from Sumaria ( think Abraham )who carried with him Sumarian folklore which passed was along as oral history before it was written down.
What evidence will you provide, or are you simply stating your personal belief?
The Seven Tablets of Creation springs to mind.