In response, the Canadian government is already considering increasing spending on the border, according to local media.
Mr Trump’s tough stance has worsened a domestic political crisis for Mr Trudeau, who is facing wipeout at next year’s federal elections.
Earlier this month, his deputy prime minister resigned, citing an ongoing disagreement over political “gimmicks” to woo Canadians and improve his poll ratings.
Pierre Poilievre, the Conservative Party opposition leader, has argued Mr Trudeau is unfit to lead Canada through a second Trump presidency.
