How were the Assyrians similar to the babylonians

The wars started beforethe place was named Babylon but the Babylonian Empire was the mostpowerful state in the ancient world after the fall of the Assyrianempire. The city of Babylon makes its first appearance in oursources after the fall of the Empire of the Third Dynasty of Ur,which had ruled the city states of the alluvial plain between therivers Euphrates and Tigris for more than a century. Ur was a Sumercity before the Chaldeans took it. Then came changes to the reignslike the names Sumer, Assyria, Akkadian Empire and then Babylonia.The land was the same and in Hammurabi’s rule, he kept buildingcities and armies to protect them.