Answer :
Final answer:
Frederick Douglass used objectivity in his writing to build credibility and ethos by presenting information without bias or personal emotions.
Explanation:
Objectivity is the element Frederick Douglass used in his writing to build credibility or ethos. By presenting factual information without bias or personal emotions, Douglass established trust with his audience. This objectivity helped him gain credibility as a reliable source of information and strengthened his argument.
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