The answer is B you want the supporting details to help support your main idea not introduce it
<span>it might be said that the most important insight Momaday gained about his heritage during his pilgrimage from Yellowstone to his mother´s grave was the sadness that his grandmother expressed in her Kiowa prayers were about sadness and the sense of lost</span>
<span>G.K. Chesterton believes that Saint Thomas Aquinas viewed man as a whole rather than as a beast like the anthropologists. This is probably because he is more attuned with the moral within which says that man is a reflection of god.
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It represents life because life is a journey and on that journey you will face some difficulties on the way until you die.