The Group of 20's final communiqué expressed concern about the future direction of the World Trade Organization, which U.S. President Donald Trump threatened to leave.
The trade deal fulfills U.S. President Donald Trump's pledge to replace the 1994 North American Free Trade Agreement.
U.S. President Donald Trump said he'd withdraw the United States from the World Trade Organization, an independent colossus that underpins trade rules, it it doesn't 'shape up.'
The implications of the U2 frontman's message extended well beyond Ireland's expected three-way race against Canada and Norway for two temporary seats on the U.N. Security Council.
Beyond the repercussions in Washington and Beijing, international organizations said the tit-for-tat tariffs will undercut a broad array of global development efforts.