Treasury Secretary Janet L. Yellen came to China amid hopes that the United States could restart a relationship that has been deteriorating for years and had gotten off the rails recently over significant points of tension — including the war in Ukraine, a Chinese spy balloon that flew over U.S. territory and was shot down by the American military, and the two countries’ escalating exchange of restrictions on trade.After 10 hours of meetings over two days in Beijing, Ms. Yellen said at a news conference on Sunday that she believed the United States and China were on a steadier footing despite their “significant disagreements.”“We believe that the world is big enough for both of our countries to thrive,” Ms. Yellen said.Ms. Yellen announced that the two sides would pursue more frequent communication at the highest levels, describing improved dialogue as a way to prevent mistrust from building and fraying a relationship that she called “one of the most consequential of our time.” Her trip followed one a few weeks by Secretary of State Antony J. Blinken. And later this month …
