Answer:
In each case Carnegie is referring to the accumulation and unequal distribution of wealth, which have “revolutionized” human life for the good (“highly beneficial”).
There are many techniques that can contribute to the memorability of a speech, for example stressing the main points and explaining them well, linking the ideas in a logical way and providing a strong conclusion.
One technique that does not support memorability is shouting loudly key words: they might remember you but not the content of the speech.
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2. Beatrice
In Inferno Canto II
, the speaker introduced herself to be Beatrice.
<span>Beatrice is the girl Dante
loved in his younger years. ("Bice" di Folco Portinari is thought to be the inspiration to La Vita
Nuova and Divine Comedy). </span>
She urges Dante to
advance in the journey. She appears to be Dante's guide.
<span> </span>
Sentence 4 because it summarizes the paragraph but does not give an opinion like answer but used factual evidence to support it.