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.
These sentences contains a pronoun shift:
1)T<span>eenagers often want more freedom, but you need to show that you are responsible.
</span><span>
2) If a student wishes to go on the field trip, they must bring in a permission slip.
</span><span>
The first sentence starts in third person (teenagers) and midway shifts to second person (you), indicating a pronoun change.
The second sentence starts in third person singular (a student) and shifts to third person plural (they), indicating a pronoun change.
Pronoun shifts are best avoided in writing since they are confusing for the reader and interrupt the flow of writing.</span>
A conflict is a decision you are having trouble making. Internal conflict is a conflict that you are having with yourself, internally- or in your head.
<span>"And it would be so easy to kill him. He deserves it. Or does he? No!"
</span>Would be your answer, in this case.