Tariffs, a postal strike, and changing taxes in 2025 significantly disrupted U.S.–Canada cross-border ecommerce, yet Canada remains a primary entry market for U.S. sellers.
U.S. ambassador to Canada goes on expletive-laced tirade at Ontario's trade representative, witnesses say | CBC News
U.S. Ambassador Pete Hoekstra launched an expletive-laden tirade at Ontario trade representative David Paterson during a high-profile Ottawa Canada–U.S. event.
US and Canada spar over ad of Reagan denouncing tariffs that led to derailed trade talks
U.S.-Canada trade talks were suspended after a dispute over an Ontario-run Reagan advertisement and ensuing claims by President Trump that the ad was fraudulent.