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#美国加征关税 The recent increase in tariffs by the United States aims to address trade deficits, protect domestic manufacturing, and tackle issues related to illegal immigration and drug influx. The Trump administration implemented high tariffs through the International Emergency Economic Powers Act (IEEPA), such as 25% on Canada and Mexico, 10%-54% on China, 50% on copper, and 25% on automobiles and parts, with plans for additional tariffs on semiconductors and pharmaceuticals. This move resulted in an increase of the average tariff rate from 2.5% to 18.4% by 2025, the highest in a century, expected to generate $600 billion in revenue but has sparked controversy. Economists warn that tariffs will raise consumer goods prices, increasing costs for American households, with middle-class families potentially losing about $58,000 over their lifetimes and GDP declining by about 8%. Domestic companies are suffering from reduced profits due to rising import costs, with industries like automobiles being hit particularly hard. Retaliatory tariffs could lead to a trade war, damaging global trade. Critics argue that tariffs have not effectively narrowed the trade deficit and may disrupt supply chains, weakening the competitiveness of the U.S. economy. Despite Trump claiming that tariffs can stimulate job growth and manufacturing, historical data indicates limited effectiveness, with more significant negative impacts on consumers and businesses.