Answer:
Tension and suspense are emotional, while mystery is intellectual. I'd say tension is the basic reason why you read on. It is the emotional reaction you get from the expectation to learn or experience something you care about. Suspense is effectively fear.
Explanation:
I did this a few years back.. for minimum requirement I'd recommend following the attached picture, but I encourage you to go above and beyond in creativity! You should probably add color too! Maybe write the words on white paper then glue the paper on colored construction paper.
The purpose for including the affair was to have character development in the story. Abigail was willing to do anything, including the attempt to try and kill Goody Proctor in order to obtain John. This also made the foundation of Abigail, Goody Proctor, and John and how they were all significant in story development. If the writer had left of the detail of the affair, we wouldn't know why Abigail was trying to get rid of Elizabeth unless we made blind assumptions.