Final answer:
The Meat Inspection Act and the Pure Food and Drug Act were passed as a result of muckraking literature, specifically Upton Sinclair's investigative work in the meatpacking industry. These laws aimed to improve sanitation and safety in the industry.
Step-by-step explanation:
The laws that were passed as a result of muckraking literature include the Meat Inspection Act and the Pure Food and Drug Act. These laws were passed in response to Upton Sinclair's investigative work in the meatpacking industry and aimed to address concerns about sanitation and safety of consumer products. The Meat Inspection Act created a program for the inspection of meat and established cleanliness standards for meatpackers, while the Pure Food and Drug Act ensured the testing of foods and drugs for human consumption and required truth in labeling.