Voters in Alabama, Oregon, Tennessee, and Vermont all approved measures to close this loophole. While none will immediately stop forced labor at prisons, the measures open the door for legal challenges to how the states use prison labor. Louisiana voted down an attempt to make changes to its constitutional language on slavery after the ballot measure’s language was so amended that its original supporters worried it would further entrench the legality of forced labor. The measure’s original author urged voters to reject it in favor of a new, future measure.