The article highlights the potential impact of the European Union-Mercosur trade agreement on US agricultural exports, as analyzed by the US Department of Agriculture's Foreign Agricultural Service. The agreement could significantly affect US ethanol exports to the EU, with a 28% market share, due to tariff-free quotas for Mercosur countries. However, the impact on US meat exports is expected to be minimal, thanks to a recent US-EU agreement that increases meat import quotas. The article also notes the diverse impact on various American agricultural products and the challenges they may face in being substituted. Additionally, the article mentions the significance of the agreement in recognizing 350 European geographical indications and the victory of the precautionary principle for European diplomacy.