The main idea of the passage above from Cotton Mather's "The Wonders of the Invisible World" is to justify the outcome of the trials. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.
The answer is A-the tension between Gabriel and the family
that's the answer because Gabriel gets made at john because roy got injured and tries to beat john but the mother intervenes and that made Gabriel made at the whole family and made it and extremely unsafe place to be.