Answer:
2. an appeal to emotion which recalls a once prosperous relationship between the two parties
Step-by-step explanation:
Although you have not presented the text to which this question refers, we can say that it is common for authors to illustrate the firmness of their postures with an appeal to the public's emotion. This is because the appeal to emotion shows that the authors have experiences on the subject they are taking a stand on. In this case, this experience shows that the authors are correct, because they lived a situation that gives them support to take a position.