WASHINGTON (AP) — A Florida boat builder absorbs $4 million in lost business and expects more pain. An Ohio pork producer is losing access to a vital export market and fears the damage will last years. A motorcycle shop near Cologne, Germany, wonders if it even has a future.

A brawl that the United States provoked with its closest trading partners is starting to draw blood. On Friday, the European Union began imposing tariffs on $3.4 billion in American goods — from whiskey and motorcycles to peanuts and cranberries — to retaliate for President Donald Trump's own tariffs on imported steel and...