Discussion

Explanation:

In the passage, the author says that he believes that "that government is best which governs not at all" and he goes on to say that an army would be subject to the same objections, many of which would be "weighty" and would "deserve to prevail". This supports option 5 since the author implies that an army is "not required".
Option 1 is thus, contradictory to the content of the passage.
Option 2 can be eliminated since the army's ability to make mistakes is not discussed in the passage.
Options 3 and 4 can be eliminated since the author does not indicate any reasons which would lead us to believe that an army is "necessary" or a "must".
Hence, the correct answer is option 5.

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