欧洲指责特朗普引发“危险恶性循环”，将面临哪些艰难抉择？

Core Viewpoint - The U.S. President Trump announced a 10% tariff on goods imported from Denmark, Norway, Sweden, France, Germany, the UK, the Netherlands, and Finland starting February 1, which will increase to 25% on June 1 unless an agreement is reached regarding the U.S. "complete and total purchase of Greenland" [1] Group 1: U.S. Tariff Announcement - The tariff is aimed at countries supporting Greenland, with a significant increase planned if negotiations do not proceed [1] - The European Commission and European Council leaders expressed that these tariffs could damage transatlantic relations and lead to a dangerous cycle [1][3] Group 2: European Response - European leaders, including the UK Prime Minister and French President, condemned the tariffs, emphasizing the sovereignty of Greenland and the inappropriateness of imposing tariffs on allies [3] - The European People's Party expressed doubts about the approval of the U.S.-EU trade agreement due to Trump's actions regarding Greenland [4] Group 3: Military and Political Implications - Several European countries have sent troops to Greenland for military exercises, signaling support for Denmark, although the troop numbers are limited [1] - Analysts suggest that if the U.S. pursues aggressive actions regarding Greenland, it could fracture NATO relations, forcing European nations into difficult choices [3][4] Group 4: Domestic U.S. Reactions - U.S. lawmakers from both parties criticized Trump's tariff decision, labeling it as "foolish policy" that could harm U.S. interests and alliances [5] - A poll indicated that less than 20% of Americans support Trump's plan to purchase Greenland, with only 4% favoring the use of force [5][6]