President Donald Trump announced that the United States would impose 25% tariffs on nearly all goods imported from Mexico and Canada, following unsuccessful negotiations with these key trading partners. The tariffs, set to take effect early Tuesday, signal a major shift in trade relations and have already caused significant reactions in financial markets, with major indices declining and the Nasdaq Composite dropping by 3%. As these tariffs are implemented, there is growing concern about their impact on American consumers and businesses, potentially leading to higher prices and affecting supply chains, highlighting the complexities of international trade policy.