President Donald Trump's threatened tariffs against Canada and Mexico risked blowing up North America's economy.

The U.S. struck deals with Canada and Mexico on Monday to delay potentially devastating tariffs for a month. Why it matters: The tariffs, had they gone into effect, could have had massive impacts on the economies of all three nations,

Hours before sweeping tariffs on imports from Mexico and Canada were due to start, agreements were reached to put them on hold for 30 days. Here's what to know: President Trump held separate telephone