President Donald Trump on Thursday threatened to impose a massive tariff on European alcohol in response to the European Union’s retaliation against his steel and aluminum tariffs – a tit-for-tat escalation of a trade war that could easily get out of hand.

European sectors about to be caught in the whirlwind of trade tensions between the U.S. and the EU include automotives — already being rocked by the fresh duties between the U.S., Canada and Mexico — metals,