Canada supplies roughly 60% to 70% of the imports that come into the U.S. market. Canadian suppliers like Rio Tinto produce high quality aluminum that is typically sold to stateside buyers.

It's familiar territory for many businesses, including brewers, who worry that tariffs will impair an industry already running on narrow margins. In Minnesota, many breweries are on edge as they prepare to relive the production pains experienced in 2018 and again during the pandemic as can shortages drove up prices.