In response to various violations of ethical principles in research, regulations such as and have been created

Code of Federal regulation and American Educational Research Association AERA

Explanation:

The reason is that the ethical violation affects the privacy and other rights of the people of the America. So these codes  require that the person or the company that is willing to conduct research must give informed consent which means that the thorough procedures of conducting the research must be informed to these authorities.

yes, since there is a positive and a negetive if the positive and negitive wasn't there wouldn't a flow electricity in it.

answer; if congress didn't act on certain requests;