Answer:
C. Ethos
Step-by-step explanation:
Ethos is a word with Greek origin, which means "moral character." It is used to describe the set of habits or beliefs that define a community or nation. In literature, it is a rhetoric device that appeals to ethic values in order to make the receiver more inclined to be persuaded. The intention in this excerpt is to show how anti-ethical the other side is, since this other side responded a pacific petition with violence.