As I washed the unfinished food down the drain and collected the paper plates to throw out, I considered my ancestors. What would they think of this excess and waste? They would have spent days on a hunt to take down a single bison and then painstakingly find a use for every single part. Was our heritage picnic becoming a dishonor to their legacy?

Not even the bison "chips," or dung, went to waste. While the men hunted the great beasts, women and children collected the droppings. Once the dung had thoroughly dried in the sun, it served as fuel for cooking fires.
Which of these best describes how the historical description enhances a reader's understanding of the personal narrative?
A.
It compares personal impressions to historical facts to illustrate how inaccuracies can occur.
B.
It reinforces the idea that people were resourceful with bison by giving an example of how they used the dung.
C.
It supports the personal experience of celebrating one's heritage by explaining how the culture has changed.
D.
It provides background information to help readers understand why people no longer need to hunt bison.