The U.S. Supreme Court heard arguments regarding the legality of tariffs imposed by President Donald Trump using the International Emergency Economic Powers Act (IEEPA) of 1977.

This case represents a significant legal test of the extent of presidential power, particularly Trump’s ability to unilaterally impose tariffs under emergency powers.

Driving the news: Trump invoked IEEPA, a law intended for national emergencies, to implement sweeping tariffs on imports from almost all U.S. trading partners. • These tariffs have significant economic implications, potentially amounting to trillions of dollars over the next decade in costs borne by the United States. • Trump and his supporters argue that the tariffs helped negotiate trade deals and protect national security by countering aggres

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