Harthone is interrogating Martha, as in the room Corey rushes to accuse Martha on evidence that he supposedly had, Danforth tries to defend Martha of the evidence and words of Corey, and finally Parris introduces Corey to Harthone.
Ethics: We can notice how the human being gives in favor of the evidence of one person over the other, for the best fact that this person is either the accused, or some close to the accused, thus seeing that a stranger who does not could be in such scenes with evidence have greater favor in cases.
In these moments enter Willard and Nurse, while Hale supported to Corey on the evidence, affirming that it did it by his wife, William and Nurse enter to speak about how much it takes them to give the verdict, because they already have other verdicts as the one of Rebecca the wife of Nurse,
Ethics: In this part of the story we do not notice much ethical difference, it just happens that some characters still feel powerful over others for the sheer fact of being known by the court.
Arriving at this last scene we see how Mary and Proctor enter the room, announcing that Mary had gone to visit Deputy, and that she came with the confession of the whole truth about that case.
Ethics: We can not talk much about this scene, at first I said it, only see the words of someone who is not accused, but at least in this scene we see that they could already deliver evidence and a confession to carry out his said verdict.