Answer:
Ethos is a literary element used to establish some form of credibility, morals or ethics. It is used when trying to make someone believe in your character or a piece of information as proper. In this excerpt from Harriet Tubman's: Conductor on the Underground Railroad, "As they walked along she told them stories of her own first flight, she kept painting vivid word pictures of what it would be like to be free". The first sentence indicates the use of ethos by Tubman: "As they walked along she told them stories of her own first flight". And this is because she tries to tell them about the efforts she made to run away for them to trust her abilities.
Encouraging people to eat healthier or to watch what they eat.
Answer: Everyone lives in misery and fear. At that point, Winston believes he may be fantasizing, believing and seeing things that are not really there, because the only official record is from The Party. Winston suspects that history to be false, but then begins to doubt himself.
It is a complete and correct sentence.