FILE - In this June 28, 2019, file photo, South Korean President Moon Jae-in, right, walks by Japanese Prime Minister Shinzo Abe upon his arrival for a welcome and family photo session at the G-20 leaders summit in Osaka, western Japan. Japan and South Korea, two major U.S. allies, are again at odds, this time over Tokyo’s decision to tighten controls on exports of sensitive materials that are mainly used in computer chips and display screens used in TVs and smartphones. The tensions reflect animosities that have persisted for decades. (Kim Kyung-Hoon/Pool Photo via AP, File)
In this June 28, 2019, file photo, South Korean President Moon Jae-in, right, walks by Japanese Prime Minister Shinzo Abe upon his arrival for a welcome and family photo session at the G-20 leaders suShow more

North Korea slams Japan over its trade spat with Seoul