Because they are cousins and he is married to juliet.
Answer :
The following passage from Stephen Cranes "A Great Mistake" advances the plot :
C) "There was a babe living hard by, up five flights of stairs, who regarded this Italian as a tremendous being. The babe had investigated this fruit-stand. It had thrilled him as few things he had met with in his travels had thrilled him. The sweets of the world had laid there in dazzling rows, tumbled in luxurious heaps. When he gazed at this Italian seated amid such splendid treasures, his lower lip hung low and his eyes, raised to the vendor's face, were filled with deep respect, worship, as if he saw omnipotence.
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The correct answer is:
It reinforces the idea that all people, not just the speaker's father, should fight against death.
<em> "Rage, Rage against the dying of the light" and "Do not go gentle into that good night</em>" this repetition of lines show to the speaker's that everyone should fight death. He explains how all different types of men fight death.