The countries account for the majority of U.S. copper imports and would be hit especially hard by new tariffs.

Chile, Canada and Peru, top copper suppliers to the US, have submitted letters to the US Commerce Department stating that ...

Do you know about the most famous punch in the history of world literature? It was thrown by the Peruvian Nobel laureate ...

The three countries supply 94% of U.S. imports of refined copper and copper alloys, and told the Trump administration that those imports do not threaten U.S. security interests.

Chile, Canada and Peru - three of the largest copper suppliers to the United States - have told President Donald Trump's ...