Why does Scout want to invite Walter home? Explain Aunt Alexandra's reaction to this.

Upon learning that his father believed Tom to be innocent, Scout wants to invite Walter Cunningham over for lunch more often, but Aunt Alexandra puts her foot down, saying that the Cunninghams aren't the right sort of people for Scout to spend time with. Scout can be gracious to Walter and polite, but can't invite him over because "he is trash."

No