Democratic gains in both chambers of the U.S. Congress in the midterm elections could expose Korea to fresh trade uncertainty, as experts warn that while such a shift would do little to curb U.S. President Donald Trump's tariff powers, it could complicate the implementation of Seoul's investment commitments and prompt him to intensify trade pressure. The $350 billion investment agreement between Seoul and Washington is unlikely to be overturned, as expanding U.S. manufacturing has bipartisan support. However, the political fallout from the Republican defeat could put pressure on Trump to demonstrate progress on his trade agenda, with Korea potentially facing renewed tariff threats, the experts said. "The tools used to exert tariff pressure are unlikely to change," said Jang Sang-sik, head of trade trend analysis at the Korea International Trade Association, referring to Section 232 and Section 301 of the U.S. trade law, which provide the administration with legal grounds to impose tariffs. "Congress has largely delegated these powers to the administration, allowing the executive branch