The justices unanimously ruled that the plaintiffs had not established a connection to the United States required by the Foreign Sovereign Immunities Act.

A group of Holocaust victims may not sue Hungary in American courts to recover property stolen during World War II because their funds were comingled with other funds, the Supreme Court ruled Friday in a long-running case about how much reach US courts should have to settle disputes abroad.

The Supreme Court unanimously sided with Hungary on Friday by rejecting a group of Holocaust survivors’ legal theory that sought to haul the country into American courts to pay compensation. The court’s decision rebuffs the survivors’ claims that they are entitled to funds from the Hungarian treasury for the government and national railway confiscating their assets during World War II,