In a new ruling, Trump v. CASA, the Supreme Court’s supermajority limited the ability of federal judges to issue universal injunctions–orders that block potentially unlawful policies nationwide until courts can decide their legality.

The U.S. Supreme Court’s decision limiting federal judges from issuing nationwide injunctions threatens to upend numerous lawsuits that have led to orders blocking Trump administration policies

The latest decision is a major legal win for religious interests at the conservative high court, and blurs the line that once clearly separated secular education from religious beliefs.