Answer:
The second, third and last one
Explanation:
They protect the writer from being blamed of plagiarism and support their own words and background knowledge
I believe that the persuasive appeal of (C) Reason is being used here. It implies that since Brutus is an honorable, then by that all logic, all men must be honorable.
Answer:2,3 and 4
Explanation: The wording in the first sentence just makes the punctuation wrong