Cargo port in Los Angeles, California, US. (Photo: AFP/VNA)

Lindner said negotiations should resume as the Ukraine crisis has made clear  the importance of free trade with partners who share the same values.

A transatlantic free trade agreement  was first proposed in the 1990s.

Between 2013 and 2017, the US and the EU discussed an agreement called the Transatlantic Trade and Investment Partnership (TTIP) but President Trump called off TTIP negotiations when he took office, sparking a series of trade disputes with the EU.