Election Legitimacy

Seceding states rejected the 1860 presidential result and left the Union to protect slavery, producing the country's largest constitutional rupture.

The Constitution built durable republican machinery while embedding compromises that protected slavery and distorted representation.

Reconstruction amended the Constitution, but federal enforcement narrowed while racial violence and state systems rolled back equal citizenship.

The attempt to overturn the 2020 presidential election and the Jan. 6 attack were the clearest democracy-threatening actions in the period.

The Kansas-Nebraska Act reopened slavery expansion by popular sovereignty and helped turn territorial politics into violence.

The Wilmington coup used racial terror and organized force to overthrow a lawful multiracial local government.

The Missouri Compromise preserved sectional balance by admitting Missouri as a slave state, Maine as a free state, and drawing a territorial slavery line.

Federal attempts to access voter rolls, voting equipment, and state election processes create a major tail risk for election administration.

Broad Jan. 6 clemency turns an attack on the transfer of power into forgiven movement violence.

Shelby County disabled the Voting Rights Act coverage formula and ended routine preclearance for covered jurisdictions.

Citizens United changed federal campaign-finance rules and accelerated outside-spending arms races.

The redistricting arms race corrupts representation by letting politicians choose voters.

South Carolina asserted a state power to nullify federal tariff law, forcing a confrontation over union, sovereignty, and enforcement.

Bush v. Gore ended the Florida recount and made the Supreme Court the decisive institution in a contested presidential election.