The correct answer is C.
The central idea of this passage is that the US needs to grant its black population freedom and equality.
Douglass makes the argument that this country cannot reach its maximum potential if a good portion of the population is oppressed. He compares the oppression of African-Americans in the United States to cutting off the right arm of every soldier going to war -- senseless and dangerous.
C) The word “its” should be changed to “it’s”, because “it’s” means it is
The answer is: [A]: Because subjective accounts are often opinionated and emotional, the narrator provides only ONE {added note: should read: "one"—not: "on"} side of the story.
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Answer choice "B" is incorrect. "Subjective accounts" are not both "factual and impartial"; and definitely not "impartial". Furthermore, given an "opinion" in "indirect, nuanced ways" is not a REASON [note the word: "because" in this answer choice] that an account would be "factual and impartial". This answer choice would be inherently contradictory. Furthermore, examine the question: "<span>Why are subjective accounts often biased?". The word "impartial" means "unbiased", so this answer choice would not make sense.
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Let's look at Answer choice "C": "because subjective accounts are formal and academic". Subjective accounts may be "academic" —but not the most "formal". Also, looked at the question: "Why are subjective accounts often biased?" It wouldn't make sense that the REASON an account would be BIASED is that an account is BOTH formal and academic."
But let's examine the final answer choice, "D: <span>Because subjective accounts make heave {sic} [note: this should read: "heavy"] use of imagery the narrator uses the setting to convey his or her outlook." This is not a reason why subjective accounts are often biased. Furthermore, subjective accounts do NOT necessarily make heavy use of, or necessarily ANY use of, imagery.
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It is clear that answer choice "A" is the best answer and the correct answer.</span>
