The author’s main claim is D. States should not make laws allowing White men to vote while preventing Black men from voting.
This refers to the statement or assertion about something that may or may not be true and needs to be validated.
Hence, we can see that the main claim of the author in the given text is to show that States should not make laws allowing White men to vote while preventing Black men from voting.
Read more about claims here:
https://brainly.com/question/13628349
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