Answer: B) To inform because of the facts it expresses.
Explanation: In the given passage we can see the description of how after the character's 21st birthday, his family (and the families of the two daughters and sons-in-law, of his step-mother) left Indiana and went to Illinois. From the given statements, the one that best explains the author's purpose is the corresponding to option B: To inform because of the facts it expresses, it isn't trying to persuade because it only shows facts and not opinions.
