U.S. President Donald Trump said he had a productive call on Friday with Canadian Prime Minister Mark Carney and that the two leaders would meet after Canada's election, which is scheduled for next month amid increased tensions between the neighboring allies.

Canada will have to “dramatically reduce” its reliance on the United States as the two countries’ relationship darkens, Canadian Prime Minister Mark Carney warned on Thursday, adding that the old bilateral relationship was “over.

Along with Wisconsin, 11 other states and Washington D.C. are part of the digital billboard blitz funded by the Canadian government.

Billboards such as those spotted in the Metro Detroit area this week read, "Tariffs are a tax on your grocery bill."

Newsweek contacted Global Affairs Canada, the Canadian department responsible for foreign relations, and the State Department for comment on Wednesday via email and online inquiry form respectively outside of regular office hours.