Settlers believed that they were destined to expand their land from sea to sea (east to west USA) but the native americans have been inhabiting the western lands for countless years, created conflicts between groups.
Answer: Option (B) is correct
Explanation:
The IRB which is known as Institutional Review Board is the body that looks after the rights of subjects of human research in an affiliated institution. The IRB needs to analyze the research that takes into consideration human participation. Although it should be noted that officials of a research institution may have the power to overrule an approval by IRB. It reviews whether human life is at risk while participating. It looks after participants right and privacy.