When the writer explains that indianapolis has begun developing a dna program based on the preliminary findings of the study, the author is using which of the following elements of a successful expository text to sway the opinion of the reader?

Boo Radley was a good person but perceived as someone who must be isolated. He himself chose to isolate himself from society. The justice about whether to judge him as a murderer or a defender was overlooked by Atticus because of Raley's history. The instability of Boo's family highlights the theme of how even within homes, equal human rights can be ignored. Aunt Alexandra is traditional and prejudice at first but becomes open to the views of Atticus because of her love for the family.