Which of these lines from walt whitman's “i hear america singing” describes a unified america?

i hear america singing, the varied carols i hear,
those of mechanics, each one singing his as it should be blithe and strong,
the carpenter singing his as he measures his plank or beam,
the mason singing his as he makes ready for work, or leaves off work,
the boatman singing what belongs to him in his boat, the deckhand singing on the steamboat deck, . .

Which is one example of the cultural context of a story

Read the opening lines of chapter 1 of twenty years at hull house and answer the question. on the theory that our genuine impulses may be connected with our childish experiences, that one’s bent may be tracked back to that “no-man’s land” where character is formless but nevertheless settling into definite lines of future development, i begin this record with some impressions of my childhood. the author begins her book with memories from her childhood. according to this excerpt, addams felt strongly that childhood was important because its trials and triumphs will support a successful life suffering during this time can create long-lasting goals it has a strong impact on personal growth throughout life children are free of the ethical judgments that adults make next question

How does the author create a surprise ending? cite evidence from the text to support your answer.