SAN SEBASTIAN SALITRILLO, El Salvador (AP) — Every two weeks, Flor Tovar receives a lifeline in the form of cash wired from her husband living in the United States.

The money pays the $50 rent for her modest two-bedroom home in a low-income housing development about an hour northwest of El Salvador's capital. It also covers school transportation for their two sons, the electricity, water and cable television.

Now a decision made in Washington to end temporary protected status for her husband and nearly 200,000 other Salvadorans in the U.S. has the 33-year-old Tovar and her sons wondering what...