What has happened to each group?

1. Group X has had its voting rights abridged; group Z has had its rights denied.

2. Group X has had its voting rights abridged; group Z has had its rights ignored.

3. Group X has had its voting rights ignored; group Z has had its rights denied.

4. Group X has had its voting rights denied; group Z has had its rights abridged.

4. Group X has had its voting rights denied; group Z has had its rights abridged.

Scenario: It is election day. group x appears at the polls, but each member of that group is turned away and not allowed to vote. group z appears as well; group z's members are allowed to vote as long as they brought a utility bill validating their address.

Explanation: The Fifteenth Amendment to the U.S. constitution forbade the denial of a citizen’s right to vote.

Denial of voting rights is when an individual is not allowed to vote at all. In the question above, this is what happened to Group X.

Abridgment of the right to vote is putting a restriction on an individual’s right to vote, such as adding other requirements other than those in the constitution. Asking for a utility bill is an example of this.

the answer is c.

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whose power in the senate is equal to the power of the speaker of the house?