Canada and the United States built one of the world’s most integrated relationships, linking trade, energy, factories and defence. But new tariffs, collapsed trade talks and Donald Trump’s repeated 51st-state remarks are testing that relationship. Canada depends heavily on the US market, yet the United States also relies on Canadian energy and cross-border supply chains. Al Jazeera Explains how decades of integration created mutual dependence, why the power imbalance still matters, and whether Canada can reduce its exposure without damaging the ties that helped make it prosperous. Subscribe to our channel: http://bit.ly/AJSubscribe Follow us on X : https://twitter.com/AJEnglish Find us on Facebook: https://www.facebook.com/aljazeera Check our website: http://www.aljazeera.com/ Check out our Instagram page: https://www.instagram.com/aljazeeraenglish/ Download AJE Mobile App: https://aje.news/AJEMobile #usa #canada #tariffs #economy #finance #trade #aljazeeraenglish