Question

The first ruler to have a permanent army

Answer 1

Sargon of Agade.

He was the first conqueror of the Sumerian cities of Mesopotamia.

Answer 2

The Akkadians and the Sumerians lived in peace for many years until Sargon sought to extend Akkadian territory. He was the first ruler to have a permanent army, which he used to launch a series of wars on neighboring kingdoms.