After the Supreme Court weakened the Voting Rights Act in late April, Republican lawmakers across the South scrambled to redraw their states’ congressional maps.The court’s decision allowed Republicans, who hold supermajorities in legislatures across the South, to go after more Democratic-held House districts, extending a lengthy tit-for-tat redistricting battle with Democrats that had seemed at an end. While Republicans said they were focused only on partisan advantage, not race, the changes effectively targeted areas where Black voters form the majority.The effort angered many Black Democrats, who accused conservatives of intentionally undermining their voting power in a region with a painful history of discrimination. Voting remains racially polarized in the South, so Black voters have historically backed Democrats.Here’s a look at how Louisiana, Alabama and Tennessee broke up majority-Black districts. On Wednesday, Georgia Republicans abruptly shelved plans during a special session that would have allowed them to follow suit before the 2028 election.LouisianaLouisiana’s former congressional map was at the center of the case before the Supreme Court, which declared the map an illegal racial gerrymander. The new map targeted the Sixth Congressional District, a fairly new majority-Black seat that included the capital, Baton Rouge.About a third of voters in Louisiana are Black.How Black voters were redistributed in Louisiana Black outlines indicate majority-Black districts. Distribution of Black voters in … The New York TimesDuring the debate over redistricting, the president of the State Senate, Cameron Henry, a Republican, told reporters, “If you’re taking the variables in place, such as incumbency, such as party, into some of the factors, you don’t have a lot of options.” Where more Black or white people live Old districts New districts Where Trump orHarris got more votes New districts The New York TimesMost of the changes center on Black — and mostly Democratic — voters who live around Baton Rouge. The district lines, however, largely preserve the New Orleans-area majority-Black seat held by Representative Troy Carter, a Black Democrat.AlabamaAfter the Supreme Court ruling, Alabama asked the courts to allow the state to use a map that the legislature approved in 2023 but that was later rejected by a federal court. The Birmingham-based federal court had ordered Alabama to draw a map with a second majority-Black district or something “close to it.”More than one in four Alabama residents are Black.How Alabama dissolved one of its two Black voting strongholds Black outlines indicate majority-Black districts. Distribution of Black voters in … The New York TimesAn independent special master drew a new district that stretched from the capital, Montgomery, through the region known as the Black Belt for its rich, loamy soil, to Mobile, a coastal city.Outside the South, “there’s not that history of racial animus and racial discrimination towards blocking or minimizing your vote,” said Representative Shomari Figures, a Black Democrat who won the new majority-Black seat in 2024 only to see it redrawn to favor Republicans in 2026. Where more Black or white people live Old districts New districts Where Trump orHarris got more votes New districts The New York TimesRepublicans said the 2023 map would ensure representation for the Gulf Coast region of the state because it did not split Mobile from the rest of Mobile County. This month, the Supreme Court said Alabama could use it.That leaves the state with one majority-Black district, which includes the city of Selma. That seat is held by Representative Terri Sewell, a Black Democrat.TennesseeAfter the Supreme Court ruling, Tennessee was the first state to draft and approve a new congressional map that went after its one majority-Black seat, the Ninth Congressional District.That district included the city of Memphis, where more than half of the state’s Black population lives. The new map split the Memphis area into three districts.How Tennessee broke up its only majority-Black district Black outlines indicate majority-Black districts. Distribution of Black voters in … The New York TimesThe Ninth was one of the few majority-Black districts represented by a white lawmaker, Representative Steve Cohen. Mr. Cohen, a Democrat who had retained significant support among Black voters since his first election in 2006, said he would not seek re-election. Where more Black or white people live Old districts New districts Where Trump orHarris got more votes New districts The New York TimesThere is no longer a single majority-Black district in Tennessee.