Core Viewpoint - The U.S. President Trump has mandated an immediate halt to all purchases of Iranian oil and petrochemical products [1] Group 1 - The directive aims to exert maximum pressure on Iran's economy by targeting its oil exports [1] - This policy is part of a broader strategy to counter Iran's influence in the region and its nuclear ambitions [1] - The announcement reflects the U.S. government's commitment to reducing Iran's revenue from oil sales, which is crucial for its economy [1]