Before high-level U.S. and Chinese officials hold talks in Switzerland this weekend to discuss high tariffs, Washington and Beijing have been in a rhetorical duel over which side reached out first.

A reordering of global trading relationships could be underway as the world’s two largest economies clash and relations spiral into a trade war.

President Donald Trump delivered another jarring reversal in American trade policy Wednesday, suspending for 90 days import taxes he’d imposed barely 13 hours earlier on dozens of countries while escalating his trade war with China.

The leaders of both Canada and Mexico got on the phone with President Donald Trump this past week to seek solutions after he slapped tariffs on their countries, but China’s president appears unlikely to make a similar call soon.