Assuming that your question refers to the poem I Hear America Singing by Walt Whitman, 1819-1892, in which the word singing is repeated, this influences the overall meaning by giving it rythm, making it gentle and beautiful,depicting the beautiness of a normal avergae day for most people in which they spontaneausly sing while their are working and doing their daily activities.
Answer:
A protagonist is like the hero of the story/movie/book and the antagonist is like the bad guy or villain. They want you to explain what the hero's goal is and their motivation. So what was what the hero wanted also, explain how you know they wanted that.
Explanation:
Talk about the hero/main character of the story then get into details about what they wanted and what troubles they went through to get that. Also, give details and evidence from the story to support what you think the protagonist wanted.