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.

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

STORY: China filed a World Trade Organization complaint against U.S. President Donald Trump's new 10% tariff on Chinese imports. In the Wednesday filing, China argues that the tariff, as well as Trump’s cancellation of a duty-free exemption for low-value packages are “protectionist” and break WTO rules.