President Donald Trump's tariff hikes will drag down growth in Canada, Mexico and the United States while driving up inflation, the OECD forecast on Monday, cutting its global economic outlook and warning that a broader trade war would sap growth further.

Mark Carney, Canada’s new prime minister, was greeted warmly in Europe on Monday during his first foreign visit as leader, in a stark contrast to the hostility channeled toward Canada by US President Donald Trump.

The Ring of Fire in northwestern Ontario has become a key figure in the battle to control critical minerals, which experts say is the heart of U.S. President Donald Trump's threats to annex Canada. Here's what they shared about how the region's resources come into play in the growing geopolitical conflict.