Reasoning by sign is infallible, as each sign only has one corresponding explanation

What kind of motive appeals does the slogan "The few, the proud, the Marines" employ?

What will be an ideal response?

Mike works for a law firm. He has been asked by his supervisor to broker a deal between his client, Linc, Ltd., and another organization, Harshmann's. While addressing both parties, Mike uses verbs like purchase, order, act, and writein his speech

What is most likely to be the purpose of his speech? a. To persuade b. To entertain c. To inform d. To actuate