Starting a trade war with one of your oldest friends, strongest allies and greatest trading partners has consequences.

Foreign relations expert Richard Haass says the United States' advantage over China and Russia is that it has an enormous pool of allies willing to collaborate. Trump's approach could change that.

Analysts describe different scenarios based on potential outcomes, including disruptions to supply chains, acquiescence to Trump's policy demands and closer relationships with U.S. trade rivals ...

While Trump's tariffs will disrupt global supply chains, they may also create new opportunities for China-Canada trade.