He probably meant that the aim of writing The Jungle was not met as the public were fixated at some other thing.
Explanation:
Upton Sinclair is the author of The Jungle where he exposed the harsh working conditions of meat workers and how badly the meats were preserved and processed.
He said that he aimed at the heart of the public and mistakenly hit their stomach which means that his book was meant to evoke pity in the readers for the abuse the meat industry worker faced, but instead they were more concerned with their stomachs which was the contaminated meat they have been eating.
Minnie Foster/Wright in Trifles is described as a woman who has been broken down by her husband's abuse. She used to be an extroverted, glamorous woman but has now been reduced to someone who wears shabby clothes and does not clean her house properly. Expert Answers Hollis Sanders | Certified Educator