US, Canada hold last-minute talks to stop 50% U.S. tariffs on $20 billion worth of Canadian goods

# Why This Matters The threatened 50% tariffs represent a fundamental threat to integrated North American supply chains that have developed over three decades since NAFTA's implementation. Canadian exports targeted by these duties—including automotive parts, lumber, and energy products—flow directly into American manufacturing, meaning tariffs would raise production costs for U.S. companies and ultimately increase consumer prices on everything from vehicles to home construction materials. A breakdown in negotiations would also trigger immediate Canadian retaliation, creating a tit-for-tat cycle that could spread beyond bilateral trade and destabilize Mexico, the third member of the continental trade relationship. The outcome of these last-minute talks will determine whether companies can plan investments with certainty or must brace for sudden cost shocks that ripple through the broader economy.