The correct answer is "Ordinary people can act heroically in chaotic situations".
Explanation: In "The Great Fire", the narrator explains White's testimony of the Great Chicago fire; there were accounts of men taking advantage of the situation and overcharging services for people in distress, but in other instances, there were regular people who helped for free. The everyday people who chose to help without expecting anything in return were the true heroes.
The neolithic revolution was also called the pastoral revolution
D. their.
the're isn't a word, they're means they are, and there means something is over there. Their means that it is THEIR coat, THEIR pencil. hope i helped :)