Thanks for your posts! We're really getting some interesting usernames on the forum lately ...
What does the Question Stem tell us?
Principle-Strengthen
Break down the Stimulus:
Conclusion: governments should not be allowed to use someone's diary as evidence against him in a criminal trial.
Evidence: a diary is a silent conversation with oneself, indistinguishable from keeping one's thoughts private,
Any prephrase?
How would we argue that governments SHOULD be allowed to use a diary as evidence? I mean, if a detective overheard some supervillain muttering to himself about his plan to take over the world, I would hope the courts would be able to use that soliloquy as evidence to throw the dude in Arkham. So the argument is making a pretty clear assumption: if someone means to express thoughts only to himself, governments shouldn't be able to use them to prosecute that person. We're looking for the principle that makes this assumption explicit.
Answer choice analysis:
A) is way out of scope. Interoffice memos?
B) would actually run against the grain of the argument, which is about limiting government's power.
C) is correct, then, because it expresses the assumption, giving us a bridge between the premise and the conclusion. Unless the remarks were intended for other people -- in other words, if the remarks were meant to be kept private -- governments shouldn't be allowed to use them to prosecute an individual. If we accept that principle, then the argument follows logically.
D) is incorrect because "personal correspondence" refers to the communication someone maintains with others through letters. So it's the opposite of private thoughts.
E) is no good because the whole question is, what exactly is within the government's power?
The correct answer is C.
Takeaway/Pattern: Most correct answers to Principle-Strengthen are conditional statements of the form "If Premise, then Conclusion". The author's argument here was "If something is a silent conversation with oneself, then the govt. should not be allowed to use it as evidence against the person." The correct answer says "If remarks were not intended for other people, then the govt. should not be allowed to use those remarks to prosecute the individual."
#officialexplanation