The national research act of 1974
a. identified guidelines to ensure the ethical conduct of research.
b. identified the basic ethical principles of human subjects research.
c. required that all federal agencies have the same regulations governing human subjects research.
d. established the national commission.

Correct answer is (b). Identified the basic ethical principles of human subjects research.

Explanation:

President Richard Nixon signed the National Research Act into law in 1974. The main purpose of the National Research Act was for the established commission to identify basic ethical principles to be followed when conducting biomedical and behavioral research on human subjects.

just because

explanation:

idk

no one really purchased it themselves, it was all america, they had debates etc.