Some diplomats and analysts see a common thread in Trump's eyeing of Canada, the Panama Canal and Greenland: securing resources and waterways to strengthen the U.S. against potential adversaries.
President-elect Donald Trump’s suggestions that international borders can be redrawn — by force if necessary — are particularly inflammatory in Europe.
President Donald Trump arrives at a G20 economic summit in Hamburg, Germany, in July 2017 during his first term in office. Sean Gallup/Getty Images ...