Answer:
respect for persons
Explanation:
Belmont Principle mentioned three basic ethical principles which are: Respect for Persons, Beneficence, and Justice.
However, principles of Respect to persons is the ethical position that, participants in research should be anonymous, and in a case where anonymity is not guaranteed such participants should be protected.
Hence, in this case, the use of a consent form showed that this is an example of the Belmont principle of RESPECT FOR PERSONS,
From what I can gather, the answer is either C. Many came to join family already in the United States, or D. Many were attracted by the opportunities to fight in the Civil War. (Sorry if it doesn't help).
To solve problems and improve condition in the state
It means you are a official citizen of The United States!