The threat has now become reality. As of March 4th, the United States imposed a 25% tariff on Canadian imports and Canada launched retaliatory tariffs on a range of American goods. To wrap your head around the details, the CBC has a good tariff explainer of some main points.
Canada is now in a trade war with our largest trading partner, and we’re likely to see serious and wide-ranging impacts on our food systems. However, the scope and scale of those impacts depend on what kinds of policy responses roll out and how fast.