The European Commission announced Thursday it has compiled a list of imported goods and items from the United States which could become subject to tariffs.

The EU’s strategy is to speak with one voice as the US president uses the threat of steep tariff hikes to try to persuade countries, like Switzerland , to sign bilateral trade deals that would be advantageous to America.

The European Commission, executive arm of the European Union, has announced it has taken two major steps toward preparing countermeasures if the bloc and the Trump administration do not reach