(NewsNation) — The U.S. Supreme Court is scheduled to hear arguments Wednesday on whether President Donald Trump overstepped federal law when he imposed sweeping import tariffs on numerous U.S. trading partners.

Since taking office in January, Trump has imposed tariffs on dozens of countries, including Canada, Mexico, Brazil and China. Lower courts have ruled the tariffs are an illegal use of an emergency powers law. If the Supreme Court agrees, it would be a significant blow to the president’s economic agenda.

The White House has said it is “100% confident” in the arguments of the president’s legal team and that the “importance of this case cannot be overstated.”

“He's been able to bring in trillions of dollars of investments into our country,” White House press secretary Karoline Leav

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