This excerpt relates to the plot of "The Inheritors" in the way that it strengthens the conflict by revealing the severity of the punishments that one convicted of spying will face by mentioning specifically what will happen (at most 20 years) if they do something specified in the excerpt, which in this case is spying.
The answer is opinion,because it cannot be proved.
Wow! is the interjection because it is a word (interjections may also be phrases) separated from the sentence by an exclamation point.
I believe it's the first sentence.
{In disjointed sentences, the cook and the correspondent argued to the difference between a life-saving station and a house of refuge.}
The answer is:
Worked hard to take care of their patients.
