The US President Donald Trump has sparked a bitter trade war with Mexico and Canada, who have hit back with retaliatory tariffs after the US president slapped both countries with huge levies

Prime Minister Justin Trudeau, in a talk with business leaders, said Canada’s wealth of critical minerals are behind Mr. Trump’s comments about making its northern neighbor a U.S. state.

Just a day before President Donald Trump’s tariffs against Canada, Mexico and China go into effect, the world appears to be bracing for the possible impacts