Final answer:
Upton Sinclair's book, The Jungle, addresses social issues important to the Progressive Movement by shedding light on the working conditions, food production practices, and labor exploitation in the meatpacking industry. It called for labor reforms, improved working conditions, and government regulation.
Step-by-step explanation:
The book, The Jungle, by Upton Sinclair, addresses social issues important to the Progressive Movement in several ways. It focuses on the problems and injustices faced by workers in the meatpacking industry during the early 20th century, highlighting issues such as unsafe working conditions, unsanitary food production practices, and exploitation of labor. The book brought attention to the need for labor reforms, improved working conditions, and government regulation of the food industry. It aimed to expose the harsh realities faced by workers and advocate for change.
Learn more about Upton Sinclair's book, The Jungle, and its relevance to the Progressive Movement