They use facts to support the claim
Either add the passage with the question so we know what you are referring to or do not post questions like these. Not everybody has read what you have. This question is completely useless and unanswerable without the story to go off of.
I think at this point in the book Aunt Alexandria has been spending more time with scout and answering Atticus' promise of giving her feminine influences
Explanation:
John Green
Quote by John Green: “There is hope, even when your brain tells you there isn't ”