The US president, Donald Trump, has again suggested that Canada become the 51st state of the US during a press conference outside the White House with Elon Musk. Appearing to pitch the perks of joining the US, Trump claimed that Canada was highly taxed and that the US had comparatively low tax. He argued that such an arrangement would also solve the 'tariff problem'. 'Canada would be our cherished 51st state,' he said

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