Which two sentences in this excerpt from John Steinbeck's "Symptoms" address the theme of soldiers being reluctant to talk about their experiences in war?

If they had been reticent men it would have been different, but some of them were talkers and some were even boasters. They would discuss their experiences right up to the time of battle and then suddenly they wouldn't talk anymore. This was considered heroic in them. It was thought that they had seen or done was so horrible that they didn't want to bring it back to haunt them or their listeners. But many of these men had no such consideration in any other field.
Only recently have I found what seems to be a reasonable explanation, and the answer is simple. They did not and do not remember--and the worse the battle was, the less they remember.

Read the passage from chapter 17 of the prince. and of all princes, it is impossible for the new prince to avoid the imputation of cruelty, owing to new states being full of dangers. hence virgil, through the mouth of dido, excuses the inhumanity of her reign owing to its being new, saying: "res dura, et regni novitas me talia cogunt moliri, et late fines custode tueri."(*) nevertheless he ought to be slow to believe and to act, nor should he himself show fear, but proceed in a temperate manner with prudence and humanity, so that too much confidence may not make him incautious and too much distrust render him intolerable. . against my will, my fate a throne unsettled, and an infant state, bid me defend my realms with all my pow'rs, and guard with these severities my shores. what reasoning does machiavelli use in this passage? machiavelli uses deductive reasoning by first introducing the conclusion that new rulers must be cruel and then supporting it with evidence. machiavelli uses deductive reasoning by starting with statistical evidence and then concluding that rulers must be cruel. machiavelli uses inductive reasoning by first presenting an observed pattern of details and then concluding that new rulers must be cruel. machiavelli uses inductive reasoning by starting with the conclusion that new rulers must be cruel and then supporting it with short narratives.