The answer is C, To save lives, prevent injuries, and protect the health of America's workers.
Because they might not be able to make money or just physically go and get a new house.
I believe the answer is ginger root!
Answer: Public health measures such as pure food and water, and development of immunizations against many serious diseases such as polio and smallpox, coupled with enhanced economic conditions, are together credited with substantial reductions in the burden of infectious diseases.