Answer and Explanation:
According to how the quotes were referenced, we can find out where they are provided, that is, how to find them. The first citation is referenced "O'Brien and Kiffel-Alcheh, 2021." This means that the quote can be found in the book written by O'Brien and Kiffel-Alcheh that was published in 2021. The second quote is referenced as "Mississippi State University, pg. 1." This allows us to understand that this quote is featured in an academic journal called Mississippi State University, on page 1. The last quote is referenced to "History.com editors, 2020." This shows that the quote can be found on a website, featured in the quote, which was accessed in 2020.