Fractured Alliances: A Tale of Two Defence Efforts The US Canada relationship has been strained since Donald Trump's second term began in 2025, with the President's penchant for name calling and policy brinksmanship taking a toll on bilateral cooperation.
The Permanent Joint Board on Defense (PJBD), established during World War II to facilitate joint defence planning between the two nations, was shut down by the Trump administration in response to what it perceived as Canada's failure to live up to its defence obligations.
Canada, under Prime Minister Mark Carney, has been diversifying its economy and reducing its reliance on US markets.