President Jae-myung Lee strengthened international cooperation by visiting the United States and Mexico from September 21st to 26th. In New York, he delivered a keynote speech at the UN General Assembly and promised cooperation in various fields such as nuclear power and shipbuilding through a third summit meeting with President Trump. He also promoted Korea's economic attractiveness through a summit meeting with the Australian Prime Minister and participation in the 'Korea Investment Summit 2026'. In Mexico, he held a summit meeting with President López Obrador and exchanged MOUs, contributing to the development of bilateral relations.