刚刚！特朗普宣布，国家紧急状态！

Core Viewpoint - The article discusses recent actions taken by the Trump administration, including the declaration of a national emergency and military deployments in the Middle East, indicating heightened tensions with Cuba and Iran [1][3][7]. Group 1: U.S. Actions Against Cuba - On January 29, President Trump signed an executive order declaring a national emergency, threatening to impose tariffs on goods from countries supplying oil to Cuba [2][3]. - The U.S. government is reportedly seeking "insiders" within the Cuban government to potentially destabilize the regime by cutting off oil supplies from Venezuela, which is crucial for Cuba's economy [3][4]. - Trump has indicated that if Venezuela's oil supply is lost, Cuba will struggle to sustain itself, suggesting a direct link between U.S. actions in Venezuela and the Cuban economy [4]. Group 2: U.S.-Canada Trade Tensions - Trump accused Canada of unfair treatment regarding the certification of U.S. aircraft and threatened to impose a 50% tariff on all Canadian aircraft exports to the U.S. if the issue is not resolved [6][4]. - In response, the U.S. will suspend the certification of Bombardier's Global series and all Canadian-made aircraft until the certification of Gulfstream aircraft is fully resolved [5][6]. Group 3: U.S. Military Deployment in the Middle East - The U.S. is significantly increasing its military presence in the Middle East, deploying at least ten naval vessels, including six destroyers and an aircraft carrier, amid rising tensions with Iran [7][8]. - The USS Delbert D. Black, a guided-missile destroyer, has arrived in the region, and additional military assets, including HC-130J search and rescue aircraft, are being sent, indicating preparations for potential military action against Iran [7][8]. - Iran has announced military exercises in the Strait of Hormuz, which may disrupt shipping activities, reflecting the escalating military readiness in the region [9][10].