NASHVILLE, Tenn. (AP) — Republican lawmakers in Tennessee approved a new U.S. House map Thursday that carves up a majority-Black district in Memphis, reshaping it to the GOP's advantage as part of President Donald Trump's strategy to hold on to a slim majority in the November midterm elections.

Watch footage from the Tennessee General Assembly on Thursday in our video player above.

The final vote came amid protests and chaos. As demonstrators chanted loudly in the galleries and hallways, Democratic state Sen. Charlane Oliver stood on her desk in the Senate chamber, holding a banner denouncing the redistricting as a "Jim Crow" effort, then clapping and dancing. Other Democratic senators linked arms in the front of the chamber. Republican leadership quickly adjourned the special session, sending the new map on to Republican Gov. Bill Lee to be signed into law.

READ MORE: Southern Republicans press ahead with election-year House redistricting despite protests

Protesters in the galleries also had disrupted the Republican-led House as it voted for the new map — yelling, chanting and blowing air horns. In the hallways, other shouting protesters were held back Tennessee state troopers.

Tennessee is the first state to pass new congressional districts since a U.S. Supreme Court ruling last week significantly weakened federal Voting Rights Act protections for minorities. But more Southern states could follow. Republicans in Louisiana, Alabama and South Carolina also have taken steps toward redistricting. More legal challenges are expected.

The Supreme Court ruled that Louisiana relied too heavily on race when creating a second Black-majority House district as it attempted to comply with federal law. The high court's decision altered a decades-old understanding of the law, giving Republicans grounds to try to eliminate majority-Black districts that have elected Democrats.

READ MORE: Trump's Indiana wins show his power over GOP with more primaries and redistricting debates ahead

Louisiana has postponed its congressional primary to give time for state lawmakers to craft a new House map. Legislation awaiting a final vote in Alabama also would upend the state's congressional primaries if courts allow the state to change its U.S. House districts. In South Carolina, meanwhile, Republican lawmakers urged on by Trump are considering adding congressional redistricting to their agenda.

The states are the latest to join an already fierce national redistricting battle. Since Trump prodded Texas to redraw its U.S. House districts last year, eight states have adopted new congressional districts. From that, Republicans think they could gain as many as 13 seats while Democrats think they could gain up to 10. But some competitive races mean the parties may not get everything they sought in the November elections.

Tennessee Republicans act despite protests

As a first step to adopting new House districts, Tennessee lawmakers gave final approval Thursday to legislation — quickly signed into law by Lee — that repealed a state law prohibiting mid-decade redistricting. They then passed a bill that would reopen candidate qualifying until May 15 to allow time for new people to enter the U.S. House primaries and existing candidates to switch districts or drop out.

The new House map would break up Tennessee's lone Democratic-held district, centered on the majority-Black city of Memphis, creating a ripple effect of alterations to districts throughout the western and central parts of the state. The geographically compact 9th District that includes Memphis — currently represented by Steve Cohen, who is white — would stretch a couple hundred miles eastward before reaching north toward the Nashville suburbs.

Unlike in Louisiana — where lawmakers had crafted a second majority-Black district to try to comply with the federal Voting Rights Act — Memphis has long been the base of its own congressional district.

Republican House Speaker Cameron Sexton said the new districts were drawn based on population and politics, not racial data.

But Democrats dismissed such assertions.

"These maps are racist tools of white supremacy at the behest of the most powerful white supremacist in the United States of America, Donald J. Trump," said state Rep. Justin Pearson, a Black Democrat from Memphis who is running for the U.S. House.

Republican state Sen. John Stevens defended the new districts he sponsored by noting that Democrats in Illinois, Massachusetts and other states also had drawn congressional districts to their advantage.

"This bill represents Tennessee's attempt to maximize our partisan advantage," he said.

It does so at the expense of both Memphis residents and democracy, said Sen. London Lamar, a Democrat from Memphis.

"You cannot take a majority Black city, fracture its voting power and then tell us race has nothing to do with it," she said.

Democrats noted that the state Supreme Court in April 2022 rejected a challenge to the current congressional map, finding it was too close to the election to make changes. This year, there's even less time before the Aug. 6 primary, raising the potential of confusion for both candidates and voters, Democrats said.

A plan for a new primary advances in Alabama

Protesters watching an Alabama legislative committee Thursday erupted in shouts of "shame" as Republican lawmakers advanced legislation to authorize special congressional primaries if the state can put a new congressional map in place for the November midterms.

In the wake of the Supreme Court decision arising from Louisiana, Alabama is seeking to overturn a court injunction that created a second U.S. House district with a substantial percentage of Black voters. That map led to the 2024 election of Rep. Shomari Figures, a Black Democrat. Republicans want instead to use a 2023 map drawn by state lawmakers that would give the GOP an opportunity to reclaim Figures' district.

If a court grants Alabama's request, the legislation under consideration would ignore the May 19 primary results for congressional seats and direct the governor to schedule a new primary under the revised districts.

The House passed the legislation on a party-line vote Thursday after four hours of fiery debate. A final vote in the Senate is expected Friday.

South Carolina may add redistricting to its agenda

The South Carolina Senate could take up a resolution Thursday giving lawmakers permission to return later, after their regular work ends, to redraw congressional districts that could eliminate the state's only Democratic-held district. The proposal, which passed the House on Wednesday, needs a two-thirds vote in both chambers.

Republican House leaders said after the vote that they plan to introduce a new map Thursday and hold committee meetings on Friday. But during debate Wednesday, Republicans fended off specific questions from Democrats, including why they were willing to stop the June 9 U.S. House primary elections well after candidates filed and how much a rescheduled primary could cost.

Democratic Rep. Justin Bamberg said he felt sorry for Republicans who, he said, were giving up their principles to follow the whims of Trump.

"The president of the United States is a very powerful man, wields a heavy, heavy thumb — Truth Social, X, Meta, Instagram. To be honest, I don't envy our Republican colleagues," Bamberg said.

Chandler reported from Montgomery, Alabama; Collins from Columbia, South Carolina; and Lieb from Jefferson City, Missouri. Associated Press reporter Kristin M. Hall contributed.