The U.S. Tariff Policy will cause the other involved steel companies to significantly shift to the European market. If the import of steel is significantly increased and the development of European companies is jeopardized, the introduction of protective measures is in principle in conformity with the WTO rules. Eurofer officials said that the European Commission has announced that it will take immediate action. This is a good thing. When the United States damages the international trading system, the EU cannot stand idly by.