Answer:
I think the answer is C! I may be wrong but the rest don't seem accurate to the history. Good luck!
<span> "I know no North—no South—no East—no West."
</span>It was written by William Shakespeare.
The correct answer in my opinion would be that D is the most important factor here. But this question is quite tricky.
We can surely say for example that literature, organized schools and a hierarchy of priests are not something that constitute a civilization. Organized schools appeared to late, not every civilization had literature and having only a hierachy of priests is not enough to say you have a civilizaton.
Labor has been divided in pre-civilization hunter-gatherer societies as well.
For that reason I'd say the correct answer is D - more food than is needed for survival. Having this, the people in a certain group can focus on other things.
The answer should be C :)
