Long-proposed levies on imports from the U.S. worth 21 billion euros are currently on pause until Aug. 6, and the European Commission has prepared a second round of tariffs targeting trade worth 72 billion euros. Imports ranging from clothing to agricultural products and food and drink items could be affected.

President Trump has threatened to slap a 30% tariff rate against the EU and a flurry of customized tariff rates on other countries that fail to cut a new deal with him.