How does the author support her argument that some modern voting laws might be intended to prevent minorities from exercising their civil rights?

The correct answer to this open question is the following.

Unfortunately, you did not mention the name of the text. Without the name of the text, we do not know what is included there.

However, trying to help you, we can comment on the following.

There is a text titled "The Voting Rights Act of 1965." If that is the case, we can say the following.

The author of this text refers to that legislation passed in the mid-sixties and says that there are laws that were passed to limit American minorities to exert their vote in elections. Of course, the author not only refers to African Americans, but to Hispanic people or Asian people.

In the case of African Americans, the author includes a series of legislation that had been passed in different states to limit their civil rights despite federal legislation.

Explanation:

¡Oh, ahora estás tratando de actuar como un tonto porque sabes que es grosero, sabes que eres un niño tan tonto! Correcto