Toronto StarJun 1, 2018Ottawa files trade challenges over U.S. steel and aluminum tariffsQuoted in: https://www.thestar.com/news/canada/2018/06/01/ottawa-files-trade-challenges-over-us-steel-and-aluminum-tariffs.html
Quoted in: https://www.thestar.com/news/canada/2018/06/01/ottawa-files-trade-challenges-over-us-steel-and-aluminum-tariffs.html