Puerto Rican resident Maria Quinones looks carefully at her ballot with a magnifying glass before voting during the fifth referendum on the island's status, in San Juan, Puerto Rico, June 11, 2017. (AP/Carlos Giusti)

What You Need to Know About Puerto Rico’s Plebiscite

Sunday’s two-part plebiscite, the fifth held since 1967, will decide the future of the unincorporated U.S. territory.