I agree with the person above - Athens has laws that treat all people fairly, regardless of social class.
Athens is the land of democracy, which supposedly means that people are equal and treated equally, not taking into account which class they belong to. Having this in mind, A is definitely incorrect; C is incorrect because all Greek city-states did that - Athens is no different; D is incorrect because every city-state had its constitution.
At the start of World War 2, America is the country that maintained the isolationist policy.
The answer is C: Relative dating can only tell whether one rock layer came before or after another, while absolute dating can give the age in years.
The correct answer to this question is A. Expressed powers. These are mentioned in the Constitution, such as print money and declare war, at a national level, whereas inherent and implied power are those which come from the interpretation of the literacy of the Constitution, in other words, those which go beyond the expressed powers.