“没有美国”APP，在丹麦火了

Group 1 - A mobile application named UdenUSA has gained popularity in Denmark, allowing consumers to identify the origin of products to avoid American goods [1] - The app was developed by 21-year-old Dane Jonas Pieper and his friend Malte Hensbel, responding to consumer demand for clarity on product origins [1] - The application emerged amid rising discontent among Danes regarding U.S. President Trump's interest in acquiring Greenland, leading to a deterioration in U.S.-Denmark relations [1] Group 2 - Some Danish consumers have started to boycott American products as a form of protest against U.S. trade policies and ambitions regarding Greenland [2] - Danish supermarkets have begun marking European products with a star symbol to help consumers identify them [2] - Reports indicate a decline in sales of American brands like Coca-Cola in Denmark, while local brands such as Happy Cola have seen a surge in sales [2]