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

The answer for this question is D: Identified the basic ethical principles of human subjects research.

Explanation:

This Act was signed by the President Richard Nixon and its purpose was to prevent humans from the kind of research the Nazis did during the Second World War, among other mostruosities. This ensured all research on human subjects had ethical guidelines.

where is the rest of the question. this isn't making sense. can you upload a picture of the question?

answer; code of federal regulations;