The case tests the balancing act states must strike in protecting the voting power of a racial minority while not discriminating against other voters.

Several conservative justices were skeptical that the Voting Rights Act’s attempts to redress past discrimination can coexist with the Equal Protection Clause.

Last November, the new majority-Black 6th district voted in U.S. Rep. Cleo Fields. The district, in its previous, majority-white configuration, was previously held by Garret Graves, who chose not to run for reelection after it was redrawn.