特朗普始料未及，默茨在访华之前，德国对美国发出了强硬警告

Group 1 - German Chancellor Merz has taken a firm stance against the U.S., indicating that Europe will retaliate if unreasonable tariffs are imposed [1][3] - The U.S. plan to impose tariffs on European goods as leverage for Greenland has backfired, uniting the EU rather than intimidating it [3][10] - Merz's upcoming visit to China with a large delegation signifies Germany's shift towards strengthening economic ties with China amidst U.S. pressure [6][8] Group 2 - The trend of European countries looking towards China for economic cooperation has been growing, influenced by U.S. tariff policies [8] - Germany's economic reliance on the U.S. is being reassessed, with a focus on diversifying partnerships to mitigate risks [8][10] - The transatlantic relationship is undergoing significant changes, with Europe increasingly seeking autonomy in economic matters while still relying on the U.S. for security [10]