<div>Mr Donald Trump spoke with Canadian Prime Minister Justin Trudeau on Monday about the steel and aluminium import tariffs announced by the US President last week.&nbsp;</div>''<div><br />''</div>''<div>The White House said in a statement that Mr Trump also emphasised the importance of quickly concluding the ongoing negotiations on the North American Free Trade Agreement.&nbsp;</div>''<div><br />''</div>''<div>This has been done to ensure the vitality of US and North American manufacturing industries and to protect the economic and national security of the US.</div>