Trump has threatened to impose tariff on all Canadian and Mexican goods unless both countries secured their shared borders with the US.

Ontario has launched a multimillion-dollar U.S. ad campaign touting economic and cultural ties between the province and its southern neighbour as Canada faces the threat of 25 per cent tariffs enacted by president-elect Donald Trump.

And let’s not forget that during his campaign Trump suggested goods from all countries would be hit with tariffs of 10 percent or 20 percent, and 60 percent for China. The United States has typically imposed tariffs to punish unfair or illegal trade practices such as “dumping,