In this excerpt, the author is clearly trying to persuade the audience. We know this because of his use of the phrase "nothing simpler." By highlighting the simplicity of his argument, he hopes that the audience would be persuaded to see the argument as a simple one as well, and therefore, be convinced of his position.
Aunt Alexandra went to live with Jem and Scout for a while. she talks to Atticus about it and thinks its necessary to be there so scout has a female influence.
What is the effect? Carson begins "A Fable for Tomorrow" with imagery rather than exposition in order to represent events in ways that the reader could relate to and understand better. ... In the beginning of "A Fable for Tomorrow," the tone can be described as descriptive.