Which civilization was located just north of Sumer?

Sumer grew to be a thriving civilization because the government created laws and what?

The Sumerians settled between the twin rivers and created city-states like Eridu, Urak, and ____.

Sumerians had a similar culture, language, and identity and were advanced what?

The Sumerians developed an advanced system of canals and drains to control floods and improve the lives of people with some of the greatest advancements in ____.

What did the Akkadian government build to make movement easier?

Who was known as Sargon the Great?