China, global trading partners watch closely as Trump takes on Canada

The latest trade war between the United States and Canada marks a turning point with key lessons for China and other major US trading partners as well as risks, say analysts and former trade officials, as US President Donald Trump continues to put his blunt stamp on global institutions.

The breakdown in ties between Washington and Ottawa, one of the largest trade relationships in the world, opens one more front in the president’s disruptive path that could fuel a backlash and further distrust to...