the asyrians
the asyrians replaced the sumerian rule. i hope i helped :) (( what a mouth full! sumerians and asyrians))
Assyrians descended from the Sumerians and Akkadians. When the Assyrian Empire began, they were technically the Sumerians and Akkadians, but there was no "Sumerian Empire" or "Akkadian Empire" at that time. There was earlier, but not then.
Akkadian Empire under Sargon united Mesopotamia under his singular rule. His Empire was preceded by the Sumerian civilization of city-states that had existed prior to, during, and after his rule from the early 3rd millennium BCE
The collapse of the sumerian empire happened because the code of laws were expected to pass down to civilization to civilization(Sumerian to babyloin).
Sumerian Empire
He replaced most of the Persian provincial governors with Macedonian generals.
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The ancient city of Ur was Sumer's capital. I thought the city of Agade was the capital of the Sumerian empire. See link
The city-states that made up the Sumerian Empire were Nippur, Ur, Eridu, and Uruk
the sumerian empire