The Twenty-fourth Amendment helped to guarantee blacks' voting rights by banning

A) grandfather clauses.
B) literacy tests.
C) poll taxes.
D) comprehension tests.

Twenty-fourth Amendment

The Twenty-fourth Amendment to the United States Constitution prohibits both Congress and the states from conditioning the right to vote in federal elections on payment of a poll tax or other types of tax.

Voting Rights

Legal rights guaranteed to individuals allowing them to vote in elections and participate in the democratic process.

Poll Taxes

A tax required as a condition of voting; historically used in the United States to disenfranchise African American voters and others.