Which case extended the 'one person, one vote' principle to the U.S. House of Representatives?

• A. Baker v. Carr (1962)
• B. Reynolds v. Sims (1964)
• C. Wesberry v. Sanders (1964)
• D. Shaw v. Reno (1993)

Answer: (C)

The main idea being tested is that voting power should be equal across districts, so each citizen’s vote carries roughly the same weight. Wesberry v. Sanders established that this equality applies to the U.S. House of Representatives. The Court held that congressional districts within a state must have populations that are substantially equal, so one district does not dilute another’s vote. This ruling, grounded in the Equal Protection Clause of the 14th Amendment, requires states to redraw districts to correct large population disparities, ensuring fair representation in the House.

To place it in context: Baker v. Carr allowed federal courts to hear reapportionment cases (for state legislatures), and Reynolds v. Sims extended the principle to state legislatures, but Wesberry is the decision that directly applies the one-person, one-vote standard to House districts. Shaw v. Reno later addressed racial considerations in districting.