韩国小作坊猛料奏效，王冠换得特朗普手软，亚洲行收尾不及预期

Group 1 - Trump's visit aimed to secure investment commitments from Japan and South Korea, with Japan yielding significant results including $490 billion in investment orders across various sectors [3][12] - South Korea was prepared for Trump's demands and presented symbolic gifts that appealed to his preferences, which influenced the negotiations positively [7][9][12] - The agreement with South Korea involved a $3.5 billion investment split into $2 billion in cash and $1.5 billion in shipbuilding cooperation, with specific payment structures that limit immediate cash flow to the U.S. [14][16] Group 2 - The cash investment will be paid in installments, with a maximum of $200 million per year, meaning only $600 million could be received during Trump's remaining term [14][16] - The shipbuilding cooperation lacks a clear timeline and includes multiple safeguards for South Korea, allowing for adjustments based on project viability [16][17] - The outcome of the negotiations has led to a perception that South Korea gained the upper hand, as indicated by the appreciation of the Korean won against the dollar following the announcement [17][20] Group 3 - Public sentiment in South Korea is largely negative towards the investment demands, with a significant majority viewing them as unfair [18][20] - The current U.S. economic position is contrasted with its past strength, indicating a shift in global dynamics where the U.S. relies on pressure tactics to secure investments [21][24] - South Korea's approach may set a precedent for other nations to use similar tactics to negotiate with the U.S., potentially undermining American authority [23][24][26]