The two leaders spoke by phone on Thursday, following weeks of worsening tensions between Washington and Beijing.

A key component of the Biden administration’s China strategy was a focus on bolstering ties with allies and partners to counter Beijing’s growing global footprint. Trump’s approach to China — and the rest of the world — hinges on tariffs and trade. How effective is that?

Earlier this week, China hit back on Trump’s claims the Asian country was in breach of a new trade agreement, struck last month following talks held in Geneva, Switzerland, countering that the U.S. itself was undermining the deal with new sanctions.