The accurate comparison of Egypt’s and Mesopotamia’s social hierarchies is: In both societies, enslaved people held the least power.
In both Egypt and Mesopotamia, enslaved individuals were at the bottom of the social hierarchy, having very limited rights and power. The other statements are not accurate representations of the social structures in these civilizations. For example, merchants did not typically belong to the upper class in Mesopotamia, and slavery was not universally frowned upon in either society. Additionally, the king often held a status above that of the nobles, especially in Egypt.