<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>
The main goal was to help aid other countries facing Soviet Union aggression, and contain communism.
The asnwer is A they were overcrowded and unclean
Parents should get involved with their children's education cuz they could help there children on studies
