The Justice Department's antitrust division was directed to pause all cooperation with Canada amid the escalating U.S.-Canada trade war, according to a report.
https://www.foxnews.com/politics/doj-ordered-freeze-antitrust-work-canada-trade-tensions-intensify
https://www.foxnews.com/politics/doj-ordered-freeze-antitrust-work-canada-trade-tensions-intensify