Based on the excerpt, the most likely purpose of Dickinson's letters was to "enlightenment rhetoric to encourage American autonomy."
- This is because Dickinson used various compositional means to construct his speech and then use it to persuade the American colonists against the Intolerable Acts that were imposed on them by the British government.
- Thus, he began the speech by using a figure of speech, and the persuade the people against the British policies on the issue of tax.
Hence, in this case, the correct answer is option A "enlightenment rhetoric to encourage American autonomy."
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