The author most likely include the information to demonstrate that discriminatory voting laws were widespread in the US.
Discriminatory voting laws is one that proclaim discrimination among people when it comes to voting.
The excerpt was trying to tell us that most American Indians were not guaranted the right to vote until 1924, when the Indian Citizenship Act was proclaimed which change the system and give them the right to vote.
learn more about voting laws at ;https://brainly.com/question/22499117
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