2 ALEXANDER v. SOUTH CAROLINA STATE CONFERENCE OF THE NAACP Opinion of the Court assessing a legislature’s work, we start with a presumption that the legislature acted in good faith. In this case, which features a challenge to South Carolina’s redistricting efforts in the wake of the 2020 census, the three-judge District Court paid only lip service to these propositions. That misguided approach infected the District Court’s findings of fact, which were clearly erroneous under the appropriate legal standard. We therefore reverse the trial court in part and remand for further proceedings. II A Redistricting constitutes a traditional domain of state legislative authority. See Moore v. Harper, 600 U. S. 1 (2023); see also U. S. Const., Art. I, §4, cl. 1. The Fourteenth Amendment introduces one constraint by prohibiting a State from engaging in a racial gerrymander unless it can satisfy strict scrutiny. But given “the complex interplay of forces that enter a legislature’s redistricting calculus,” we have repeatedly emphasized that federal courts must “exercise extraordinary caution in adjudicating claims that a State has drawn district lines on the basis of race.” Miller v. Johnson, 515 U. S. 900, 915–916 (1995). Such caution is necessary because “[f]ederal-court review of districting legislation represents a serious intrusion on the most vital of local functions.” Id., at 915. To untangle race from other permissible considerations, we require the plaintiff to show that race was the “predominant factor motivating the legislature’s decision to place a significant number of voters within or without a particular district.” Id., at 916. To make that showing, a plaintiff must prove that the State “subordinated” race-neutral districting criteria such as compactness, contiguity, and core preservation to “racial considerations.” Ibid. Racial considerations predominate when “[r]ace was the criterion that, in the State’s view,

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