Since the 1960s, tariffs — or import taxes — have emerged from negotiations between dozens of countries. Trump wants to seize the process. “Obviously, it disrupts the way that things have been done for a very long time,

Commission President Ursula von der Leyen said unjustified tariffs would prompt "proportionate and decisive countermeasures", echoing her vow on Tuesday of a "firm and proportionate" response to Trump's decision to impose tariffs on all steel and aluminum imports.

The European Commission said in a statement on Friday that it viewed U.S. President Donald Trump's proposed "reciprocal" trade policy as a step in the wrong direction. The Commission added that the EU would react firmly and immediately against unjustified barriers to free and fair trade,

Trump calls it unfair that some countries apply higher tariffs to specific American goods than the U.S. applies back. A new executive order seeks to change that.

The president’s plan for reciprocal tariffs sounds good in theory. But there was a reason the United States abandoned the approach a century ago. The gains would be few and the costs enormous.

President Trump has proposed a sweeping set of tariffs. Does this mark the end of the post-war free trade world?

Donald Trump’s decision to raise tariffs on steel and aluminum imports has drawn a swift reaction from one trade group warning that the move would have global ramifications.