Answer:
by repeating the words pure, sweetness, and tastes
Step-by-step explanation:
In buttressing and emphasizing the significant impact of Sugar in the world, the authors used the words pure, sweetness, and tastes repeatedly in their narration in the passage highlighted above. The repetition of these words shows the essence of "sugar" that the authors tend to project in a good light. The authors were able to support their claim and purpose using those words repeatedly in the passage.