What newcomers should prepare when US travel records tied to Trump administration policies trigger extra checks at Korean immigration

Some travelers arriving in South Korea face extra document checks when their US travel records include entries connected to policies introduced under Trump, and immigration officers may request supporting paperwork. This can affect short-term visitors and longer-term residents alike, so newcomers should expect to verify entry history and purpose of travel at ports of entry. The following guidance shows the practical documents and steps to resolve or prevent delays.