During a break in the high-stakes meeting with her U.S. counterpart in Washington, Freeland emphasized the "compromises" by Mexico in the bilateral trade deal with the U.S. to increase the wages of its auto workers.

The White House intends to send Congress a notice on Friday that it has entered into a trade agreement with Mexico and that Canada might join the pact in the future.

A proposed U.S.-Mexico trade deal would allow President Donald Trump to slap punitive tariffs of up to 25 percent on imports of Mexican-made cars, sport utility vehicles and auto parts above certain volumes.