Mr Trump's looming summit with North Korean leader Kim Jong-un heightened tension, and White House economic adviser Larry Kudlow accused Mr Trudeau of betraying Mr Trump with "polarising" statements on trade policy that risked making the U.S. leader look weak on the eve of the historic North Korea summit.
The summit comes amid a fractured moment for US alliances after the tariffs the USA imposed last week on Canada, Mexico and the European Union.
Kudlow sought to tie Trump's reaction to the upcoming summit with Kim Jong Un, saying the North Korean leader "must not see American weakness".
We have to stand behind our prime minister - just as we did many years ago - in steadfastly placing blame where it deserves to be, and that's in Washington.
Trump roiled the weekend Group of Seven meeting of industrialized nations in Canada by agreeing to a group statement on trade only to withdraw from it while flying to Asia. Not long after Trump issued two tweets calling Trudeau "very dishonest & weak".
The escalating clash cast a shadow over the Trump's nuclear talks with Kim and led critics to question why the president was bashing United States partners while appearing to cosy up to one of Washington's bitterest long-time foes.
Trump has drawn criticism in recent days for suggesting that Russian Federation rejoin the G-7. Sen.
"We will continue to conduct our diplomacy the Canadian way, that is, being positive and constructive and firm in defending the interests of our industries.in diplomacy it doesn't really matter about personal feelings and personal comments", said Trade Minister Francois-Philippe Champagne when asked about the apology. The US president and Mr Trudeau have had a friendly relationship in the past, but tensions over US tariffs have strained the diplomatic partnership.
President Emmanuel Macron reacted with a statement slamming Mr Trump's behaviour at the summit.
Trump did not seem to think that this question was unreasonable. "The European Union is brutal to the United States".
"We are convinced that a modernisation is perfectly possible, we are convinced that common sense will triumph", she said.