Ummmmmmm. try " in the long run, it is clear that though they might be thought of the same, there are many diffrences between x and y." Not sure if thats what you ment.
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I think the answer is D, the narrative will change depending on narrator's tone and point of view
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The evidence shows that he lives during the time of the samurai so swords are very important to his culture.The importance of honor and respect are also present 8n this excerpt because the words of "honored friend" and "humbly suggest" are used