The likely implementation of tariffs imposed by the United States on April 2 means Europe will have to take better control of its future, European Central Bank (ECB) head Christine Lagarde said on Monday.

Wine and spirits can be markers of national and regional identity — which could make a coming trade fight between the U.S. and Europe much more emotional.

Growers were already struggling from France to Italy when the US president threatened a 200% levy on the region's wine. Now, shipments have ground to a halt and producers don't even know how to price their bottles.