Final answer:
Upton Sinclair's book, The Jungle, directly led to making food inspections mandatory.
Step-by-step explanation:
The subject of this question is History and the grade level is High School. Upton Sinclair's book, The Jungle, directly led to making food inspections mandatory. The book exposed the unsanitary and unsafe conditions in the meatpacking industry, which prompted public outcry and eventually led to the passage of the Pure Food and Drug Act and the Meat Inspection Act in 1906. These laws aimed to ensure the safety and quality of food products and protect consumers.
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