Final answer:
Thoreau wrote the phrase 'my life has been the poem' in the first-person point of view.
Step-by-step explanation:
HThoreau wrote the phrase “my life has been the poem” in first-person point of view. The first-person point of view is characterized by the use of pronouns like 'I' and 'me', which indicate that the narrator is speaking from their own personal experiences and perspective. In this case, Thoreau is reflecting on his own life and using the first-person point of view to express his thoughts and feelings.
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