Why does a work cited page have to be in alphabetical order

A list of works cited, which appears at the end of your paper, gives full publishing information for each of the sources you have cited in the paper.

Explanation:

Then list in alphabetical order all the sources that you have cited in the paper.

in that passage i would say the sentence which best describes the overall impact of the setting is when they mention the absence of people because it suggests that taking a walk at night is unusual.

expository writing is one of the most common types of writing.