Final answer:
This question is about the book 'The Jungle' by Upton Sinclair and its subject is English. The book highlights the unsanitary practices of the Chicago stockyards and their effects on consumers and workers in the meatpacking industry.
Step-by-step explanation:
The subject of this question is English as it pertains to the book The Jungle written by Upton Sinclair, which is a piece of literature. The book discusses the unsanitary practices of the Chicago stockyards and the impact on both consumers and workers in the meatpacking industry. It is a work of fiction that sheds light on the harsh working conditions and corruption within the industry.