After a fresh wave of tariffs from the United States, Canada and the European Union said they would impose billions in levies on U.S. goods.

Some proposals have taken effect while others are on ice during negotiations.Here’s where things stand:Steel and AluminumThe Trump administration imposed 25% tariffs on all steel and aluminum imports on March 12.

President Donald Trump's tariffs are shifting and changing a week after they were meant to take effect, causing widespread uncertainty and market volatility.