At the end of her speech on labeling gmo food, marlo made her audience believe that their health could be negatively impacted if they did not write a letter to their congressperson urging him or her to vote in favor of gmo labeling. in this example, marlo used the principle of to persuade her audience to take action.

Marlo used the principle of proximity to persuade her audience to take action. The principle of proximity, in the realm of social psychology, is the tendency of people to form an interpersonal relationship with individuals who are physically close to them. Proximity principle, using this principle you will find as you group that something in common or label the thing that is the same and separates the items that are uncommon or the different ones. It is also mean how the object or the person is physically close to you. It also calls for related items/thing will be group visually. Also when more people come into contact with one another, the more likely the interaction will cultivate a relationship.

The correct answer is connotation.