President Donald Trump’s tariffs on dozens of nations’ imports took effect early this morning, in a move that could spell higher prices for American consumers and companies. Yet even as tariffs kicked in, Trump and his team continue to negotiate with — and threaten — other countries and industries in an effort to make trade deals.

President Donald Trump on Thursday imposed once unthinkably high U.S. taxes on imports from dozens of countries, part of his campaign to turn one of the world’s most open economies into a fortress bristling with barriers to trade.