The agreement that Japan secured has added pressure on South Korea to defuse the threat of high tariffs on its exports to the United States.

© Seung-il Ryu/NurPhoto, via Getty Images

Many countries thought they were negotiating in good faith. The White House renewed its “reciprocal” tariff plan anyway, giving countries until Aug. 1 to make offers.

© Haiyun Jiang for The New York Times