The tone of the Robert Lake's essay "An Indian Father's Plea" is of that B. Serious.
What is a tone?
This is a literary device that reflects a writer's attitude toward the subject matter or audience in a literary work.
Hence, we can see that "An Indian Father's Plea" by Robert Lake was written as a letter from an Indian father asking for an understanding of social and cultural difference of the way the school sees the world and the way his son sees it.
This therefore made the tone a serious and a forceful one because it came from a personal experience as a Cherokee Indian tribe member.
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