NEW YORK (AP) — President Donald Trump has a new political foil: New York’s Democratic nominee for mayor, Zohran Mamdani.

Here’s what to know about the history of—and the Trump Administration’s efforts to ramp up—“denaturalization.”

Donald Trump has been particularly enthusiastic about deportation since he came back to office as the American President for the second time. Trump’s merciless deportation rules have left families in tears with children getting separated from parents and families who have been American citizens for years getting deported.