One way that russell baker develops the readers understanding of his mother is to

pathos

explanation:

it appeals to emotion, sadnesses being that dolphins are being killed by these nets

you can change by someone having a negative opinon of you in many ways for example thi can lead to depression and taking of ones life also known as sucide this effects there self esteem and ego in a negative way making them feel sad depressed and stressed causing them to act gloomy and sad if this continuses this can lead to self harm or much worse things.

hope i .