Donald Trump's trade advisers were finalizing plans on Wednesday for the reciprocal tariffs the U.S. president has vowed to impose on every country that charges duties on U.S. imports, ratcheting up fears of a widening global trade war and threatening to add to already-sticky U.

The President says he’ll sign an order that increases U.S. tariffs to the rates other countries charge on imports.

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