I believe the answer would be Rising action because the suspense (the "horrid" descriptions of the chamber) is slowly building up to the climax in which there would be a resolution to the conflict.
(I have read "The Cask of Amontillado" before)
A rock that had magnetic pulses to make things pulverize towards it.
Douglas thinks Mrs.Auld was not cruel before she became a slave holder
Douglas believes that slavery was very destructive towards Mrs. Auld
Douglas realized that Mrs. Auld was as insecure and eager to please her husband.
My brother posted this question and got this answer hope it helps!
You should begin with a chart that separates both similarities and differences. Read both articles and annotate everything you notice on to the chart. You could then begin drafting all your work and revise.