突发！美国将暂停对俄罗斯、巴西等75国所有签证！丹麦增兵格陵兰岛，特朗普：该岛对美国“金穹”系统至关重要

Group 1 - The U.S. State Department announced a suspension of visa processing for applicants from 75 countries to combat potential public burden issues [2] - Affected countries include Somalia, Russia, Afghanistan, Brazil, Iran, Iraq, Egypt, Nigeria, Thailand, and Yemen [2] Group 2 - President Trump reiterated the U.S. interest in acquiring Greenland, stating its importance for the U.S. missile defense system known as "Iron Dome" [4][6] - The "Iron Dome" system is projected to cost approximately $175 billion and aims to integrate with existing U.S. missile defense capabilities [6] - Denmark has begun deploying military resources to Greenland in response to Trump's comments, indicating a potential increase in military presence [7] Group 3 - EU Commission President von der Leyen emphasized the EU's respect for the wishes of the Greenlandic people and their support [8] - French President Macron warned that any infringement on Greenland's sovereignty would lead to unprecedented repercussions, highlighting the EU's solidarity with Denmark [10]