10
SHELBY COUNTY v. HOLDER
Opinion of the Court
(2011) (slip op., at 9). But the federal balance “is not just
an end in itself: Rather, federalism secures to citizens the
liberties that derive from the diffusion of sovereign power.”
Ibid. (internal quotation marks omitted).
More specifically, “ ‘the Framers of the Constitution
intended the States to keep for themselves, as provided in
the Tenth Amendment, the power to regulate elections.’ ”
Gregory v. Ashcroft, 501 U. S. 452, 461–462 (1991) (quoting Sugarman v. Dougall, 413 U. S. 634, 647 (1973); some
internal quotation marks omitted). Of course, the Federal
Government retains significant control over federal elections. For instance, the Constitution authorizes Congress
to establish the time and manner for electing Senators and
Representatives. Art. I, §4, cl. 1; see also Arizona v. Inter
Tribal Council of Ariz., Inc., ante, at 4–6. But States have
“broad powers to determine the conditions under which
the right of suffrage may be exercised.” Carrington v.
Rash, 380 U. S. 89, 91 (1965) (internal quotation marks
omitted); see also Arizona, ante, at 13–15. And “[e]ach
State has the power to prescribe the qualifications of its
officers and the manner in which they shall be chosen.”
Boyd v. Nebraska ex rel. Thayer, 143 U. S. 135, 161 (1892).
Drawing lines for congressional districts is likewise “primarily the duty and responsibility of the State.” Perry v.
Perez, 565 U. S. ___, ___ (2012) (per curiam) (slip op., at 3)
(internal quotation marks omitted).
Not only do States retain sovereignty under the Constitution, there is also a “fundamental principle of equal
sovereignty” among the States. Northwest Austin, supra,
at 203 (citing United States v. Louisiana, 363 U. S. 1, 16
(1960); Lessee of Pollard v. Hagan, 3 How. 212, 223 (1845);
and Texas v. White, 7 Wall. 700, 725–726 (1869); emphasis
added). Over a hundred years ago, this Court explained
that our Nation “was and is a union of States, equal in
power, dignity and authority.” Coyle v. Smith, 221 U. S.
559, 567 (1911). Indeed, “the constitutional equality of the