The words from the excerpt that most contribute to the patriotic tone are C. "embellished with all the improvements" and "blessings of liberty"
This refers to the writer's attitude in a text that is used to set the mood, which is the general atmosphere of the book.
Hence, we can see that in order to contribute to the tone of the book which is one of patriotism, the author makes use of the words liberty and blessings to highlight this.
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