"Sauer urged them to understand tariffs as a natural extension of other powers granted to the president under the law rather than a tax. "I can't say it enough - it is a regulatory tariff, not a tax," he said.

But that appeared to be a stumbling block for many of the justices.

"You want to say that tariffs are not taxes but that's exactly what they are," Justice Sonia Sotomayor said."

;;

"President Donald Trump said Tuesday the Supreme Court case on his worldwide tariffs is "LIFE OR DEATH" for the U.S."

Some critics of Trump's tariffs, which he set on nearly every country in April, have said that Americans have received the brunt of the import taxes' impacts.

Attorneys for Learning Resources, an educational toy company that has taken exception to the tariffs, and Trump argued Wednesday about whether the president is allowed to use the International Emergency Economic Powers Act to set tariffs.

The 1977 law allows the president to regulate international trade to deal with "unusual" and "extraordinary" threats after declaring a national emergency."