Because its hard to depict what they mean because og the culture and because its hard to study it due to its conditions .!.
I would say the Sumerians the developed a lot of modern tech and ideas for the time include sail boats, astronomy, codes of law, a numerical system, advanced water systems and most importantly a written language. The akkadian in general took these innovations from the Sumerians and used them as their own. The akkadians did eventually form the 1st "empire," which lead to the extinguishing of Sumerian culture, but most or the of their technologically was taken from the sumerians. So I would say deff the Sumerians. The akkadians simply stole and/or built on Sumerian tech
The answer to this question is:
<span>____________ works of art are created on frosted parchment-like material or surface, which can be made from young calf skin that is stretched out.
D-"Vellum"
Hoped This Helped, </span> <span>Roccieejeni
Your Welcome :)</span>
