Respuesta :
The writer best strengthen the conclusion, by summarizing key points
What is summarizing?
Summarizing means to outlines the main points of something.
Because summarizing the important key point helps in determining the essential ideas and enables one to focus on the key points, and gives the quick material of the whole text.
Hence the correct option is, by summarizing key points.
To know more about summarizing:
https://brainly.com/question/553553
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