By James Berreth 

Editor in Chief 

A series of recent U.S. Supreme Court decisions involving congressional maps in Alabama and Louisiana has dramatically altered the legal landscape surrounding voting rights and redistricting, raising concerns among civil rights advocates that key protections of the Voting Rights Act of 1965 have been substantially weakened. The rulings represent the latest chapter in a years-long judicial shift that has steadily narrowed federal oversight of election laws and minority voting protections. 

The controversy centers on congressional districts drawn in states with significant Black populations. For decades, Section 2 of the Voting Rights Act served as one of the federal government’s primary tools for combating racial discrimination in voting. The provision prohibited voting practices that diluted the political influence of minority voters and allowed courts to require states to create districts in which minority voters had a meaningful opportunity to elect candidates of their choice. 

In 2023, the Supreme Court surprised many observers when it ruled in Allen v. Milligan that Alabama’s congressional map likely violated Section 2. The Court found that Alabama’s Black population, which constitutes roughly 27% of the state’s residents, warranted the creation of a second congressional district in which Black voters would have an opportunity to elect their preferred candidate. That ruling was widely viewed as a significant victory for voting-rights advocates and appeared to reaffirm the continued viability of Section 2 protections. 

The decision also had immediate consequences beyond Alabama. In neighboring Louisiana, federal courts relied on the reasoning in Allen v. Milligan to require lawmakers to create a second majority-Black congressional district. The revised Louisiana map was used during the 2024 election cycle and resulted in increased Black representation in Congress. 

However, the legal landscape shifted dramatically in April 2026 when the Supreme Court issued its decision in Louisiana v. Callais. The Court struck down Louisiana’s second majority-Black district and significantly narrowed the application of Section 2. According to legal analyses of the ruling, the Court raised the standard plaintiffs must meet when challenging district maps and placed greater emphasis on proving intentional racial discrimination rather than demonstrating discriminatory effects. Critics argue that the practical result is that many maps that dilute minority voting power may now survive judicial scrutiny if states can characterize their decisions as politically rather than racially motivated. 

Justice Elena Kagan’s dissent warned that the ruling amounted to a fundamental dismantling of longstanding voting-rights protections. Civil rights organizations similarly described the decision as one of the most consequential setbacks for minority voting rights in decades. 

To understand the significance of today’s voting-rights disputes, it is important to understand why Congress passed the Voting Rights Act in 1965 in the first place. Although the Fifteenth Amendment guaranteed Black men the right to vote in 1870, many Southern states spent decades devising ways to prevent African Americans from exercising that right. Literacy tests, poll taxes, grandfather clauses, intimidation, economic retaliation, and outright violence were routinely used to suppress Black voter registration and turnout. 

By the mid-20th century, despite constituting large portions of the population in many Southern states, African Americans remained severely underrepresented at the ballot box. In some counties throughout Alabama, Mississippi, and Louisiana, fewer than 10 percent of eligible Black citizens were registered to vote. Civil rights activists who challenged these practices often faced arrests, beatings, job loss, or even murder. 

The movement for voting rights reached a turning point in 1965 during the Selma-to-Montgomery marches in Alabama. Images of state troopers attacking peaceful demonstrators on the Edmund Pettus Bridge shocked the nation and increased pressure on Congress to act. Later that year, President Lyndon B. Johnson signed the Voting Rights Act into law, calling it one of the most monumental pieces of civil-rights legislation in American history. 

The law prohibited discriminatory voting practices and gave the federal government broad authority to oversee elections in jurisdictions with histories of racial discrimination. The Act is widely credited with dramatically increasing Black voter registration, participation, and political representation throughout the South. For many historians, the Voting Rights Act stands as one of the most successful civil-rights laws ever enacted, transforming the promise of voting rights from a constitutional guarantee on paper into a practical reality for millions of Americans. 

The effects of Callais were almost immediate. 

Recently, the Supreme Court cleared the way for Alabama to use a revised congressional map that reduces the number of districts where Black voters constitute a majority or near-majority from two back to one. The Court overturned lower-court rulings that had blocked the map, allowing the state to proceed with elections under boundaries that many voting-rights advocates contend diminish Black electoral influence. 

The Alabama decision was particularly notable because lower courts had found evidence that state lawmakers intentionally diluted Black voting strength. Nevertheless, the Supreme Court concluded that those courts had not properly applied the standards established in Callais, effectively requiring the litigation to be reconsidered under the new framework. 

Meanwhile, Louisiana lawmakers moved quickly to redraw their congressional map once again. The state legislature recently approved a plan eliminating the second majority-Black district that had been created following earlier court orders. The new map is expected to restore a congressional delegation more favorable to Republicans while reducing opportunities for Black voters to elect candidates of their choice. 

The broader significance of these rulings extends far beyond Alabama and Louisiana. 

Many legal scholars view the decisions as part of a long-term trend in which the Supreme Court has steadily reduced the reach of the Voting Rights Act. In 2013, the Court’s decision in Shelby County v. Holder effectively nullified Section 5’s preclearance system, which had required jurisdictions with histories of discrimination to obtain federal approval before changing voting laws. With the recent limitations imposed on Section 2, critics argue that the Act’s two most powerful enforcement mechanisms have now been substantially weakened. 

Supporters of the Court’s recent decisions argue that race should play a limited role in redistricting, and that states should have greater discretion in drawing political boundaries. They contend that requiring legislatures to create districts based primarily on race raises constitutional concerns and can itself amount to racial gerrymandering. 

Opponents counter that the Court’s new standards make it exceedingly difficult to challenge discriminatory maps. Because legislators rarely admit racial motives openly, requiring proof of intentional discrimination may leave minority voters with little practical recourse when district boundaries weaken their political influence. Civil-rights groups argue that the distinction between racial and partisan motivations is often difficult to separate in Southern states where race and political affiliation remain closely correlated. 

As states prepare for the 2026 midterm elections, the consequences of the Court’s rulings are already becoming apparent. Alabama and Louisiana are among several states considering or implementing new district maps that reduce the number of majority-Black districts. Voting-rights advocates warn that the decisions could reshape congressional representation across the South and diminish minority political power for years to come. 

Whether Congress will attempt to restore portions of the Voting Rights Act remains uncertain. For now, however, the Supreme Court’s recent decisions signal a significant transformation in how federal law addresses racial discrimination in redistricting – one that many legal observers believe marks the most substantial weakening of the Voting Rights Act since its enactment more than six decades ago.