King => Nobles => Free citizens => Soldiers/Civil Service => Slaves.
Three main social classes included the awilu (free persons), the wardu (slaves), and the mushkenu (free persons of low estate).
As a punishment, free persons could be forced into slavery. Parents of children could also be sold into slavery.
Babylonians based the structure of their society around their own religious beliefs and how they will prosper. They were ruthless people who conquered many nations through force. Some accounts even state that the Babylonians would kill entire civilizations, even if the civilization had surrendered without any sort of resistance.
Yes aryans were part of an indo-european language family
A primary source gives us first-hand information. it states the automatic facts, and not what has been heard through a second-hand information (sencondary source). it provides information like: direct or firsthand evidence about an event, object, person, or work of art.
and examples are: eyewitness accounts, results of experiments, and statistical data