Background and reasons for the decision: On June 27, 2025, US President Donald Trump announced on his social media platform Truth Social that the United States was immediately terminating all trade negotiations with Canada due to Canada’s Digital Services Tax (DST), which took effect on June 30. Trump called Canada a “difficult country to do business with,” saying: “Canada’s Digital Services Tax is an attack on American tech companies. We will notify Canada in the next seven days of the tariffs it will have to pay on trade with the United States.” The tax is being imposed on American tech giants such as Amazon, Google, and Apple, which would lose more than $2 billion annually. Trump called it a copy of the European Union and also criticized Canada’s imposition of tariffs of up to 400 percent on American dairy products. Prior to this decision, relations between Canada’s new Prime Minister Mark Carney and Trump appeared to be improving. The two leaders discussed trade at the G7 summit in June 2025, and there was hope of a new deal in July. will be settled. However, Trump's sudden decision has dashed these expectations. Economic impact on Canada: Trade between Canada and the United States is a deep and historic relationship, which is the backbone of the economies of both countries. In 2024, Canada traded 75% of its imports (about $600 billion) and 50% of its exports with the United States. The following effects could result in the following effects on the Canadian economy: Crisis in the energy sector: Canada exports 4 million barrels of oil per day to the United States, which is a large part of American oil demand. The end of trade would cause serious financial losses for Canadian oil companies, such as Suncor Energy and Canadian Natural Resources. It would not be possible to immediately explore new markets (China, India, or Europe), which could lead to increased unemployment and financial crisis in the oil industry. Destruction of the automobile industry: Canada's automobile industry, which includes companies such as Ford, General Motors, and Stellantis, is heavily dependent on the U.S. market. A shutdown of trade could cause these companies to suffer serious losses, And their plants are at risk of closing. Steel, lumber, and mineral exports affected: Canada exports large quantities of steel, aluminum, and lumber to the United States. Trump’s 50% steel and aluminum tariffs and trade cuts would cause irreparable damage to these industries. Devaluation of the Canadian dollar: The trade cuts could devalue the Canadian dollar, making imports more expensive. This would increase inflation, and consumers would have to pay more for essential goods. GDP decline: According to experts, Canada’s gross domestic product (GDP) could fall by 10 to 15 percent. Unemployment would rise, especially in industrial areas like Ontario and Quebec, and the risk of economic instability would increase. Social and political impacts: The end of trade relations could also increase social and political unrest in Canada. Canadian Prime Minister Mark Carney, addressing the nation after the decision, said: “Our old relationship with the United States, which was based on economic integration and security cooperation, is now over. We must reimagine our economy.” “The rise of nationalism: Trump’s decision has fueled nationalist sentiment in Canada. Both Carney and opposition leader Pierre Poilier have begun to take a hard line against US policies. Impact on tourism: Canadian tourist arrivals to the US fell by 40% in February 2025, and a survey found that 62% of Canadians will avoid traveling to the US next year. This could cost the US tourism industry $4 billion annually. Impact on defense cooperation: Defense alliances between Canada and the US, such as the North American Aerospace Defense Command (NORAD) and NATO, could also be at risk. Trump has threatened to withdraw Canada from NATO and separate it from NORAD, which would have serious consequences for the security of both countries. Future of USMCA: The USMCA agreement between the US, Canada, and Mexico, reached in 2020, which replaced the North American Free Trade Agreement (NAFTA), is now in jeopardy. The agreement is due for review in July 2026, but Trump's decision has raised the possibility of terminating it altogether. Experts say the end of the deal will disrupt the supply chains of the North American economy, and consumers will face higher prices. Canada has retaliated with tariffs of 25 percent on American cars, beverages, and household goods, which are particularly targeted at Republican-dominated “red states.” However, these countermeasures may not be effective in the long term because Canada’s economy is highly dependent on the United States. Impact on the United States: Although the US economy is larger and less dependent than Canada’s, the decision will also have some negative impacts on the United States: Supply chain crisis: Canada is the largest supplier of steel and aluminum to the United States. The end of trade will leave the US manufacturing industry, especially the automobile sector, facing a shortage of raw materials. Burden on consumers: The closure of imports from Canada will mean that American consumers will see higher prices for essential goods, such as lumber, oil, and agricultural products. Defense threats: The end of Canada’s participation in alliances such as NORAD and NATO could threaten US security. There could also be negative impacts on the US, especially in the Arctic regions, where Canadian cooperation is crucial to countering the growing activities of Russia and China. Global scenario: Trump’s decision is also a major setback for the global economy. “If the US can treat its closest friend like this, no one is safe,” said Canadian Foreign Minister Melania Joly. The decision could affect not only Canada but also US relations with Mexico and other allies. Canada is now looking for new trade agreements with China, India, and Europe, but this process will take time. Conclusion: Trump’s decision to end trade with Canada is a historic turning point, which will deeply affect the economic, social, and defense relations of the two countries. Canada will face an economic crisis, unemployment, and inflation, while the United States is also at risk of supply chain problems and rising consumer spending. The effects of the end of the USMCA and the impact on alliances such as NORAD and NATO could undermine the stability of the North American region. As an X The post said: “Trump’s decision marks the end of 60 years of cooperation between Canada and the United States. It is time for Canada to reshape its economy.” This decision is a challenge not only for both countries but also for the global economy, and its effects will be felt for years to come. Source: Politico: NBC News: Atlantic Council: Council on Foreign Relations: CNBC: BBC: Wikipedia: New York Times: X-Posts: