sticky situations
He did — Canada was one of the major targets of his steel and aluminum tariffs in 2018–2019.
Since the US imports roughly half of Canadian maple syrup exports, and US maple syrup producers aren’t a particularly influential lot in Washington, maple syrup wouldn’t have been a likely target for a tariff. (Curiously enough, Canada is the largest importer of US maple syrup exports, but the net syrup flow is predominantly southbound.)