If the United States imposes tariffs on imports of Canadian steel and aluminum, some Americans will lose their jobs and U.S. growth will suffer, Prime Minister Justin Trudeau said on Wednesday.

Canadian Prime Minister Justin Trudeau called President Trump’s tariffs on steel and aluminum imports “entirely unjustified” and said the country would respond “if it comes to that.” “Tariffs on Canadian steel and aluminum would be entirely unjustified,

Trump says he will levy a 25% import tax on all steel and aluminium products entering the US from 12 March, meaning both sides have a month to negotiate. Canada is the top exporter of both metals to the US.