Former U.S. President Donald Trump has ramped up pressure on Iran by announcing a sweeping embargo on Iranian oil and petrochemicals. In a bold move, Trump warned that any nation or company doing business with Iran will face secondary sanctions and lose access to U.S. markets. This development comes as nuclear talks stall and tensions escalate—particularly with China, Iran’s largest oil buyer. What does this mean for global trade, diplomacy, and the energy market? Watch our full breakdown.