Answer:
a topic sentence
an approach that uses passive voice
an explanation of the target audience and the technique used
specific details from the posters
True. An author will only mention a famous person/event assuming his/her audience will be familiar with them/it.
To make that reader want what you want!
The correct answer is "It illustrates that the workers’ unique songs create harmony". The tone of the poem in "I Hear American Singing" is joyful, whimsical, and hopeful. Whitman celebrates in the common American worker, magnifying his characters with descriptors such as "robust," "friendly," "blithe," and "strong".
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Hope is Helps! :)