Step-by-step explanation:
I could not find the excerpt or passage that is missing in your question so I cannot tell you what the rhetorical device is used in it but I would tell you something about them so you can find it by yourself.
Ethos, pathos and logos are rhetorical devices that are used in speech or literature in order to show in particular the idea of it.
Ethos is referring to credibility or trust and one of the main things of it is confidence and it can use many sources that are reproducing the main idea.
Pathos is referring to emotion and values. It is usually using vivid language and inspirational quotes or words.
Logos is referring to proof or logic of something with many statistics, case studies and many other.