Group 1 - South Korea is not upset about the $350 billion investment and 15% tariffs imposed by the U.S., but feels betrayed by the U.S. compromising with China and reducing tariffs [1] - South Koreans acknowledge their country's smaller status in the global context, admitting to being economically developed yet recognizing some aspects of being "third world" [3] - The analogy of "whales fighting while shrimp suffer" is used to describe the dynamics between China, the U.S., and South Korea, highlighting South Korea's vulnerability in the face of larger powers [5] Group 2 - The most concerned parties about U.S.-China cooperation are not solely Chinese or Americans, but also U.S. allies like South Korea, Japan, and the Philippines, who fear being sidelined [7] - These allies accept U.S. actions as a form of guidance, but feel abandoned when the U.S. collaborates with China, likening it to adults reconciling while neglecting the child [7]