I could be wrong but I think B, Although I would take someone other than my answer. Sorry i didn't know for sure.
The best answer would be, B) Acting as a Supreme Court
<span>The answer is Letter D. It is written in a tone that is appropriate for an explanatory essay than the other letters. Since the letters a,b,c, is informal for an explanatory essay. Letter D. explains the Neolithic Revolution with formality and proper use of words, than the other letters.</span>
Because it gave certain rights to us people.