Answer :
The firsthand description of the passage serves as evidence to support Zitkala-Sa's claim that her people were mistreated because a. It demonstrates how miserable she felt.
How does a firsthand description serve as evidence in the passage?
A firsthand description is a piece of evidence because it tells a person's own story as well as things that others might not know.
When the person shares their own experience, it makes their claims about their experience stronger and more believable.
The account by Zitkala-Sain the passage describes how she was forcibly taken downstairs, tied up, and had her hair cut off against her will which further reinforces the idea that she and her people experienced mistreatment.
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