Throughout American history, voting rights have evolved through significant legislation and judicial rulings that aim to eliminate barriers to voting. Despite advancements, certain groups have continued to face challenges in exercising their right to vote. One pivotal moment was the passing of the Voting Rights Act of 1965, which aimed to address racial discrimination at the polls. However, subsequent Supreme Court decisions, including Shelby County v. Holder (2013), have raised questions about the effectiveness of these protections.
Which of the following Supreme Court decisions most directly affects the legal standard for evaluating voting discrimination and, subsequently, voting rights enforcement?