A coalition of immigrant rights groups, legal advocates, and affected U.S. citizens has filed a federal lawsuit challenging the Trump administration's indefinite pause on immigrant visa processing for nationals from 75 countries. The plaintiffs argue that the policy unlawfully discriminates based on nationality and race, undermining decades of established immigration law and replacing individualized visa adjudication with a blanket ban. The lawsuit, filed in New York, seeks to block the policy, which affects nearly half of all immigrant visa applicants worldwide, including those whose visas had already been approved. The State Department defends the move as a measure to prevent future public dependency, while critics claim it is based on unsupported assumptions and causes severe hardship for families and workers.