Final answer:
Sinclair's book The Jungle caused public outrage by revealing the unsanitary conditions and toxic filth in slaughterhouses.
Step-by-step explanation:
Sinclair's book The Jungle caused public outrage by revealing the unsanitary conditions and toxic filth in slaughterhouses. The novel depicts the appalling working conditions and dangerous health hazards that workers in the meatpacking industry faced. It exposed the filth and corruption prevalent in the industry, leading to significant public outcry and ultimately triggering important reforms in food safety regulations.
Learn more about Revelations in Sinclair's book The Jungle