The first monotheistic religion was Zoroastrianism. It was founded by the Persians around 2000 BCE. Linguistically, the books of Zoroastrianism have much in common with the Vedic texts, however the Vedic religion itself was polytheistic. Judaism and Christianity both emerged later, inspired by Zoroastrianism.
The picture is not clear :(
Probably the kingdom of axum
I think it might be a , let me know if it helped
*A Governor*- colonial governors enforced laws, appointed administrators and judges, also served as commander-in-chief over their own territory and held the veto power. *The Council of Advisors*- was the upper house of legislature, approving executive proceedings, and in most cases, colonies gave them power administered by a supreme court. *Elected Assembly*- assemblies were the avenue citizens used for political demands.The assembly was the only part of the legislature that could pass atxes.