U.S. President Donald Trump threatened to hit French wines and champagnes with 200% tariffs in an apparent effort to cajole French President Emmanuel Macron into joining his Board of Peace initiative aimed at resolving global conflicts.

France has said it will not join President Trump’s “Board for Peace.” France’s agriculture minister described the tariff threat as “blackmail.”

The US president floated the proposal after Macron’s reported refusal to sit on the so-called Board of Peace, an initiative created by Trump to mediate global conflict.View on euronews

Donald Trump has posted a private message from France's leader and threatened huge tariffs against French wine and champagne, taking aim at an ally who has championed a tough riposte to U.S. attempts to strongarm European policy over Greenland.

President Donald Trump early Tuesday threatened to impose a 200% tariff on French wine and champagne in an effort to pressure France to join his intergovernmental Board of Peace organization.

President Donald Trump threatened Saturday to impose new 10% tariffs on imports from several European countries. It could unravel months of progress made during trade negotiations settled after Trump’s trade war last year.

The prime minister also tells the US president that security in the Arctic remains a priority "for all Nato allies".

The administration of President Donald Trump would enact new tariffs almost immediately if the Supreme Court struck down sweeping global tariffs the president launched under an emergency law, U.S. Trade Representative Jamieson Greer told the New York Times in an interview published on Monday.