Answer:
The answer is D
Explanation:
<u>Belmont report </u>about research ethic was published in 1979 as an answer to ethical failure in medical researches.
According to report there are three principles that should underlying the ethical conduct of research involving human subjects and those principals are Respect for persons, Beneficence and Justice.
B: increasing the number of troops who could join the union
The Emancipation Proclamation was an administrative order published by Abraham Lincoln on January 1, 1863. It announced the liberation of serfs in the ten Confederate states still in the revolution. It also commanded that released serfs could be registered in the Union Army, which would increase the Union's possible manpower.
I don't know answer bro............