How do the four river valley civilizations differ from each other?

Some are more urban their others Egypt has very little cities gods rituals afterlife Egypt is positive religion Sumer  is negative how they treat women Egypt is least patriarchal;

Explanation:

powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.

explanation:

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