Paul Vieira covers Canada for The Wall Street Journal, and is based in Ottawa.

But just days later, Trump reversed his economic slap down saying that goods that are compliant with the North American free trade agreement ... I think that Justin Trudeau is using the Tariff ...

In an emotional speech, Canadian Prime Minister Justin Trudeau broke down in tears ... stating that goods complying with the North American Free Trade Agreement will not face tariffs until April ...

Canadian Prime Minister Justin Trudeau ... especially on trade issues. Trump used tariffs against Canada during negotiations over replacing the North American Free Trade Agreement.

Beginning with the North American Free Trade ... launched a trade war against Canada, their closest partner and ally, their closest friend Canadian Prime Minister Justin Trudeau Canadian Prime ...