The commercial tariffs implemented by the Trump administration generated intense debate about their effects on the global economy and international relations. These measures were designed as a tool to protect the domestic industry and reduce trade deficits, especially with countries like China. However, they also provoked immediate responses in the markets, affecting the prices of raw materials, manufactured goods, and international supply chains. Companies from various sectors had to adapt to the new costs and seek alternatives to maintain their competitiveness. Additionally, the tariffs generated uncertainty among investors and consumers, who watched closely each announcement and trade counterattack. In the long term, these policies highlighted the importance of diversifying suppliers and strengthening local production, but also evidenced the interdependence of modern economies and the challenges of implementing protectionist measures in a globalized world.