The sumerians introduced stone made by bronze and iron in ways of agriculture and warfare. Hope this helps!

Gilgamesh suggests that Sumerian society could be violent due to the unchecked power of rulers like himself, who can act impulsively and oppressively. He also highlights the brutal nature of warfare and the thirst for conquest that leads to conflict and loss of life in ancient societies.

how did the politically Sumerian organization affect society

The Sumerian government was monarchy.

Who was the legendary Sumerian king?