A counter argument is necessary, in order to show one's audience that one has taken into account the opposing opinion/thesis of the argument but still sides with their opinion/thesis; it allows the writer to once again prove their thesis.
Happy
Because he said "improved" several times, and improvement is a good thing that makes most people happy
I can tell you the answer if you could list the characters for me to choose from
In the novel The Hate You Give, Starr Carter begins the novel as a more quiet girl at school who is just trying to blend in with all of her rich, white peers. She is balancing her two worlds. One where she is taught how to "properly" act at a traffic stop and one where everyone around her doesn't have to worry about the color of their skin. Throughout the novel she experiences many trials simply based on the color of her skin. This causes her to realize that she must fight to be seen as equal and stick up for herself and other people of color. The goes from a quiet, obedient girl to a strong girl who advocates for equality.
There you go bb. you might want to adjust some things to fit your writing style better.