China's exports likely picked up pace in March, as factories rushed out shipments ahead of U.S. President Donald Trump's sweeping tariffs this month, though the broadening trade war with the United States has darkened the economic outlook.

A unified North American trading powerhouse has long been seen as a potential bulwark against China. But Trump has repeatedly threatened to take over Canada and has targeted Mexico with some of his toughest tariffs. New Canadian Prime Minister Mark Carney has warned that his country’s traditional relationship with Washington is over.