Poll Taxes and Voting Rights

Throughout American history, voting rights have evolved significantly, with various amendments and laws impacting who can participate in elections. The Voting Rights Act of 1965 aimed to eliminate barriers that prevented racial minorities from exercising their right to vote. However, there have been ongoing debates about voting rights, especially regarding state laws that could affect voter registration and access to polls. Which of the following amendments to the Constitution was primarily responsible for abolishing poll taxes in federal elections, a reform that significantly enhanced voting rights for many Americans?