Canadian Prime Minister Mark Carney detailed three of the “last-minute changes” he alleged U.S. negotiators tried to bargain for in trade talks, which he said ultimately led to his country pulling out of the negotiations.

In an overnight statement explaining Canada’s decision to suspend its trade talks with the Trump administration, Carney claimed that “last-minute changes in the U.S. proposed terms were unfair, uneconomic, and called into question the reliability of any deal.” The breakdown of a U.S.-Canada trade deal allowed the Trump administration’s 50% tariffs to go into effect on Saturday, prompting Canada to announce its own retaliatory tariffs on the U.S.