The comments were in stark contrast to the kind of language he has used for the Canadian Prime Minister, Justin Trudeau, who he continues to refer to as "Governor Trudeau", while calling Canada "the 51st State".

The war of words – if not yet trade – continues between Canada and the Trump administration with Prime Minister Trudeau calling the entire tariffs policy "dumb" and the US Treasury Secretary, Scott Bessent, calling him a "numbskull" in return.