The correct answer is 2. Referencing a major claim
Step-by-step explanation:
In writing, a rhetorical device refers to different stylistic techniques a writer uses with the purpose of persuading the audience about a certain idea, because of this rhetorical devices include the use of irony and sarcasm; the use of emotions, authority or logic, or the reference to other authors. In the case of referencing a major claim, this occurs when the author of a text appeals to the claim or position of a different author, which is usually an expert or authority on the field to support his or her own position or claim, which means a major or more credible claim is used to prove and support the author's claim. This is the case o the excerpt presented because in this excerpt the author refers to the words and position of the Suburban Nation (credible author and expert on the field) to support his own position in relation to urban sprawl. Therefore, the rhetorical device in this paragraph is "referencing a major claim".