which statement best describes a bias that the author of men on the wrong side of history might have?

in 1897, pershing became a tactical officer at west point, and that's where he was given the nickname "black jack." pershing's first name is "john," for which "jack" is a nickname, and he was a white man who commanded black troops. hence "black jack".

it foreshadows the theme of the paragraph and hints the topic that will be discussed in the paragraph!