22 RUCHO v. COMMON CAUSE Opinion of the Court IV Appellees and the dissent propose a number of “tests” for evaluating partisan gerrymandering claims, but none meets the need for a limited and precise standard that is judicially discernible and manageable. And none provides a solid grounding for judges to take the extraordinary step of reallocating power and influence between political parties. A The Common Cause District Court concluded that all but one of the districts in North Carolina’s 2016 Plan violated the Equal Protection Clause by intentionally diluting the voting strength of Democrats. 318 F. Supp. 3d, at 923. In reaching that result the court first required the plaintiffs to prove “that a legislative mapdrawer’s predominant purpose in drawing the lines of a particular district was to ‘subordinate adherents of one political party and entrench a rival party in power.’ ” Id., at 865 (quoting Arizona State Legislature v. Arizona Independent Redistricting Comm’n, 576 U. S. ___, ___ (2015) (slip op., at 1)). The District Court next required a showing “that the dilution of the votes of supporters of a disfavored party in a particular district—by virtue of cracking or packing— is likely to persist in subsequent elections such that an elected representative from the favored party in the district will not feel a need to be responsive to constituents who support the disfavored party.” 318 F. Supp. 3d, at 867. Finally, after a prima facie showing of partisan vote dilution, the District Court shifted the burden to the defendants to prove that the discriminatory effects are “attributable to a legitimate state interest or other neutral explanation.” Id., at 868. The District Court’s “predominant intent” prong is borrowed from the racial gerrymandering context. In racial gerrymandering cases, we rely on a “predominant