Answer:
complete Scout's character arc.
Step-by-step explanation:
After everything that has happened, Scout finally realizes that Jem, Dill, and herself didn't really give back enough to Boo, considering everything that he has done for the three of them. Finally, she realizes:
"Atticus was right...you never really know a man until you stand in his shoes....Just standing on the Radley porch was enough."