That is always true notes are always helpful :)
Hope it Helps you
The best example would be A video that shows the image of a ghost.
Particularly, if the video is recorded by person whom you consider serious and honest and in a place you already know.
<span>While he doesn't specifically mention slavery in this excerpt then I would say that the answer would be B) by citing the office to which he was elected as it could be said to be ethos as appealing to people's belief that the president has the right to declare war though the obvious purpose of the war is to fight slavery.</span>