Section 2 of the Fourteenth Amendment refers to participation in rebellion or other crime when discussing reduction of representation. In Richardson v. Ramirez, the Supreme Court relied on that language to reject the particular equal-protection challenge before it.

Not every institutional barrier changes eligibility. A distant polling place affects access. At-large elections and district boundaries affect how votes translate into representation. Language assistance, accessible equipment, site placement, line length, and public information shape the cost of participation. Each problem demands evidence at the stage where it operates.

The remedy follows the classification. An incorrect conviction record may require administrative correction; a disputed restoration rule may require statutory or constitutional interpretation; inaccessible equipment may require an accommodation; a systematic discriminatory practice may support broader legal relief. Before deciding that a citizen may or may not vote, identify the state where the person seeks to vote, that state's treatment of the particular conviction, the person's present sentence and restoration status, and any controlling federal limit.

Video lesson: Voting rights | Political participation | US government and civics | Khan Academy