Chisholm uses anaphora to emphasize an idea or element.
Anaphora is a common literary figure that implies repeating:
Most authors including authors such as Shirley Chisholm use anaphora to emphasize an idea and in it way make it relevant for the reader.
For example, in one of her speeches, she said
And repeats the words two more years. The purpose of this is to emphasize how much Americans have suffered.
Note: This question is incomplete because the text it refers to is not provided; due to this, I answered it based on general knowledge.
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