The tone of Walt Whitman's poem "I Hear America Singing" would different if the people in the poem were speaking rather than singing is:
This refers to the way in which the mood of a poem is conveyed by the poet, usually using different literary elements.
With this in mind, we can see that from the given poem, I Hear America Singing", the author's tone would be different if the people were speaking as they would be less hopeful because the mood of the poem is melancholic.
Read more about tone here:
https://brainly.com/question/15447799