The president’s threats to slap duties on goods imported from the European Union are part of a pattern of directing the harshest penalties at the United States’ closest allies.

Prime Minister Keir Starmer had hoped to spend Monday marking a new milestone in the UK’s much-promised reset with the European Union five years after Brexit. Instead, he received a dramatic reminder of how much harder that will be with Donald Trump back in the White House.

Chinese antitrust authorities look into Google and Apple, as the EU threatens seismic moves if the U.S. uses tariffs to twist its arm.