Answer:
D. Information, comprehension, voluntariness.
Explanation:
The Belmont report was created issued on 30 September 1978. It was published in the federal register 18th April 1979 by National Commission for the Protection of Human Subjects of Biomedical and Behavioural Research.
It talks about various guidelines and principles for research that involves human subjects. The core principles identified in the report are Justice, beneficence and respect for persons, and the three areas of application are selection of risks and benefit, informed consent and selection of subjects.
<em> It explained the informed consent as an important part of respect for all persons, informed consent means that all the subjects should be given opportunity to decide what shall and shall not happen to them,</em>
Impeachment proceedings against the president came when Johnson breached the Tenure of Office Act by removing Edwin Stanton, Secretary of War, from the cabinet.
