Awilu: The nobility or upper classes.
Mushkenu: Free people not belonging to the upper classes, such as artisans.
Wardu: Slaves.
<span>Native American tribes competed for resources and were independent of each other.</span>
The correct answer is criminology.
Criminology is a branch of sociology, meaning that it deals with humans and societies in general, but particularly regarding crime. It studies why crime actually happens and what could be done to avoid it, as well as what should be done with offenders.
The Ural Mountains seal them off from the rest of Asia
The coach could grade their performance.
Social loafing refers to the fact that a person might not produce much effort when in a group, as opposed when alone. So, these kids know that together they are pretty good, so they don't have to try hard; but when they are alone, they do. In order to prevent this, the coach might want to grade their performance, because then they will try harder.
