President Donald Trump's tariff war - and his repeated threats to annex Canada - are upending decades of close trade ties between the two North American neighbors, and prompting many small-scale Canadian manufacturing firms to revise their long-term business strategies.

The governors of six U.S. states said on Monday they have invited Canadian provincial leaders to discuss the impact of tariffs imposed by Donald Trump while being critical of the measures taken by the U.

Canada’s film industry could face major challenges after U.S. President Donald Trump announced plans to impose 100 per cent tariffs on all foreign-made movies. Some producers say the plan completely misunderstands Canada’s crucial role in the Hollywood system.