Beijing is betting that economic pressure and diplomatic defiance will force concessions, but its stance could put more strain on its ties with Europe at a crucial time.

The kindergarten’s cooks used inedible pigments to decorate buns and cakes, the authorities said. Eight school officials and employees were detained.

Beijing has a history of warning Washington about the safety of its Treasury holdings. This time it may have reasons to stay silent, at least publicly.

The rhetoric belies a more complicated reality, as Beijing has been one of Tehran’s biggest backers.

Beijing has gained time to build up its own strengths by drawing out negotiations with the United States, using its chokehold over critical minerals.