Answer:
A) Smoking is a major factor in cancer and heart disease.
Step-by-step explanation:
The first report on general US smoking was directed by surgeon Luther Terry with the help of an advisor, the historical report of 1964 related to smoking cigarettes with dangerous health effects, including lung cancer and heart disease. As a reaction, the United States Congress adopted the Federal Cigarette Labeling and Advertising Act of 1965 and the Cigarette Smoking Law of 1969.