Respuesta :
The dates mentioned in the excerpt help the readers to determine the structure of "American Indian Civil Rights" because of chronological order. Thus, option B is correct.
What is chronological order?
Chronological order is a procedural that states the events based on the time of their occurrence and from the order of the first to the last event. It is used for the periodization of a specific event.
The chronological order of the events helps the readers to understand the order of their occurrence and allows them to fully understand the history.
Therefore, option B. the structure is based on chronological order.
Learn more about chronological order here:
https://brainly.com/question/18573049
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