Alcohol has landed on the front lines of a global trade war, throwing French wines, Irish whiskeys, Kentucky bourbon, Japanese beer and Mexican tequila into the crossfire between the U.S. and its biggest trading partners.

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.