Answer: Option (A)
Step-by-step explanation:
Tuskegee Study of the Untreated Syphilis in the African American male was known as an unethical and infamous clinical study which was conducted in between year 1932 to 1972 by the United States Public Health Service department. The purpose and aim of this study/research was in order to observe the natural past or history of STD i.e. untreated syphilis. Under this African-American men who participated in the study were lured in with the chance of receiving a free health care from US government.