Answer: <em>Option (A) is correct.</em>
Explanation:
National Research Act was signed came into existence in 1974 thereby creating a Commission for the Protection of Subjects of Medical and Behavioral Study. They recognized several basic principles in accordance with research and pondered upon ways through which these principles can be followed.
The Tuskegee Study of Untreated Syphilis in African-American Male is known to be one of the most egregious and immoral clinical study, which was conducted in 1932 and so on by the State Health Service. The so called aim of this research was to examine the state of untreated syphilis; the subject in this study were given false hope that they'll receive free health care from the federal government.
The easiest way to do this is to set them up as equivalent fractions, and to solve for x.

x=6
Answer:
C. There was a bloody rebellion called the Mau Mau Revolt.
Explanation:
The book "A Long Walk To Water" explains this in detail.
First question: the king or queen sometimes has absolute power: for example, this is the case in Bahrain, but not in Norway, even though both have monarchs.
Second question: it's the federal system: in this system the states have a level of autonomy and can decide on the local issues.