President Donald Trump’s sweeping new tariffs finally took effect on Thursday, slapping levies on dozens of countries and risking price increases for a host of everyday goods. Tariffs between 10% and 41% were applied to nearly 70 countries beginning at 12:01 a.m. Thursday, significantly expanding the reach of Trump’s confrontational trade policy.

President Donald Trump’s trade war with the world came into force at midnight, with sweeping tariffs hitting scores of America’s commercial partners. But what happens next is profoundly unclear. The two critical questions: Are the tariffs working?