Was the Sumerian religion monotheistic ? That´s your question.
Answer:
No, it wasn´t.
Step-by-step explanation:
The Sumerians were polytheistic. They worshipped many gods, anthropomorphic deities that were a representation of natural forces. There are hundreds of deities in the Sumerian pantheon. Sumer (in present-day Iraq) is considered the craddle of human civilization.