The court ruled that universal injunctions issued by lower courts likely exceed the authority Congress has granted them.

The ruling clears a major hurdle to President Trump’s agenda and could reshape American citizenship, at least temporarily, as lower court challenges proceed.

The Supreme Court delivered a major win to President Donald Trump on Friday in his ongoing war with the federal judiciary, limiting the power of courts to step in and block policies on a nationwide basis in the short term while judges review their legality.