How does repetition create meaning in Ronald Reagan’s tear down this wall speech? What does him repeating the wall mean

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b is the answer.   i sat on the lumpy sofa, totally exhausted, with a bad taste in my mouth, wondering what i should do next.  

sugar had three basic uses in ancient india. it was used in religious rites, consumed as a snack, and was considered a kind of medicine.

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the question is the text structure of this passage is. a. chronological order. b. problem and solution. c. cause and effect. d. compare and contrast.