President Donald Trump has implemented penalties on steel and aluminum imports targeting China, Canada, Mexico and the European Union. | Nicholas Kamm/AFP/Getty Images U.S. Chamber of Commerce launching campaign opposing Trump’s tariffs

The U.S. Chamber of Commerce, usually a staunch ally with Republicans, on Monday will launch a campaign against the president’s recent tariff policy.

“The administration is threatening to undermine the economic progress it worked so hard to achieve,” Chamber President Tom Donohue said. “We should seek free and fair trade, but this is just not the way to do it.”


The chamber is using state-by-state analysis to argue that Trump is risking a global trade war.

Trump implemented penalties on steel and aluminum imports targeting China, Canada, Mexico and the European Union, to which some of the nations targeted have pushed back on the U.S.

Sign up for Morning Trade A speed read on global trade news — weekday mornings, in your inbox. Email Sign Up By signing up you agree to receive email newsletters or alerts from POLITICO. You can unsubscribe at any time. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

The Chamber has had a rocky relationship with the president.

Donohue last month in a statement demanded the president to end his “zero tolerance“ policy that separated children from their parents at the U.S.-Mexico border, adding that lawmakers should also seek permanent protection for Dreamers in addition to relief for those in the Temporary Protected Status program.