RALEIGH, N.C. (AP) — An 1868 amendment to the U.S. Constitution best known for protecting the due process rights of previously enslaved Americans has resurfaced in certain congressional races this year.

Some attorneys and voters believe a rarely cited section of the 14th Amendment dealing with insurrection can disqualify a handful of U.S. House members from seeking reelection for events surrounding the Jan. 6, 2021, riot at the Capitol.

First-term Republican firebrands Madison Cawthorn of North Carolina and Marjorie Taylor Greene of Georgia are among those targeted. Both are strong supporters...