Canada and Mexico are also in his firing line ... to which the president says he will issue an executive order regarding water in the area soon. A question on TikTok comes next, and Trump says he is "open" to ally Elon Musk buying the social media platform.

Trump signed his first wave of executive orders around 7 p.m. Monday, after his swearing-in ceremony a parade, and before the inaugural balls.

Within hours of his return to the White House, Trump (pictured) signed a flurry of executive orders and signalled an era of upheaval for the world economy.