The option that best evaluates the ways in which public policy shaped attitudes toward smoking in the U.S. is:
PSAs and taxation reduced smoking rates, which led to a decline in the rates of smoking-related illnesses.
This response acknowledges the role of public awareness campaigns (PSAs) and taxation as effective public policy measures that contributed to reducing smoking rates and consequently, smoking-related illnesses, reflecting a broader understanding of how public policy can influence public health and attitudes towards smoking.