Ruler who wanted to extend the akkadian empire and was the first to have a permanent army

The correct answer is Sargon Of Akkad, (flourished 23rd century bc), ancient Mesopotamian ruler

Explanation:  Sargon the Akkadian - also called Sargon the Great - is the first character in history known for, among other things, creating an empire. But what we know of him is based mainly on poetic accounts or legends. The very origin of the Akkadian people is lost long before the first known reports, which speak about sedentary and nomadic peoples who inhabited Mesopotamia

depends on what they need

the first question's answer is a.