The correct chronological order of the events listed is as follows:
(a)Helen spilled ink on the letter that Annie was writing. (f)The Captain and James discussed the war as Helen grabbed food from everyone's plates. (e)Annie tried to teach Helen to eat with a spoon. (l)Annie and Helen struggled for several hours until Helen learned to eat off her own plate and to fold her napkin. (j)Annie convinced the Kellers to let her work with Helen alone for two weeks. (g)The Kellers took Helen for a long ride. (k)Helen and Annie moved into the garden house. (b)Helen refused to let Annie touch her. (d)Annie woke Percy, brought him to Helen, and taught him the word game. (i)Annie taught Percy a word that Helen did not know. (h)Helen pushed Percy away to learn the new word. (c)Annie sat in the rocking chair singing as Helen finally slept.
Answer: The effect is to give readers an oxymoronic happy sadness all at the same time. It makes the reader sad to know that Jim has sold his watch to afford the combs for Della's hair, while knowing that Della cut her hair to afford the chain for Jim's watch.