President Donald Trump has faced intense scrutiny from the Supreme Court over his use of tariffs in a case that could redefine presidential powers and affect the U.S. economy.

During the recent arguments, several justices, including conservative members, openly questioned the rationale behind the sweeping tariffs imposed by the Trump administration, which the president claims are essential to revitalizing American manufacturing and correcting the trade deficit.

The tariffs have been challenged by small businesses and various states, claiming the president has overstepped his authority by imposing what effectively amounts to a tax on imports.

The significance of this case is amplified by its timing, as the Supreme Court, traditionally slow in delivering verdicts on crucial issues, is expected to expedite its decision-making process given the case's high stakes.

Justices like Amy Coney Barrett expressed skepticism about the breadth of tariffs applied to multiple countries, questioning the justification of treating allies like Spain and France as threats to U.S. interests.

The stakes are high, with billions in tariff revenues collected by the government that could be refunded if the court rules against Trump. The administration, represented by key economic officials at the hearing, signaled it may pursue alternative tariff measures depending on the court’s ruling.

The case centers on the International Emergency Economic Powers Act (IEEPA), invoked by Trump to levy tariffs initially on trade with China and later expanded to nearly all countries, citing national security concerns over drug trafficking and trade deficits as emergencies.

Critics argue the law does not allow for such broad applications of tariffs, and there is widespread concern among justices over the potential implications if the president's powers are unfettered by congressional oversight.

The ruling, expected to be delivered in the coming months, could result in profound shifts in how trade is managed under U.S. law, impacting everything from local businesses to international relations.