The initiative is the latest example of the president dismantling the post-World War II international system and building a new one, with himself at the center.
Israel, Saudi Arabia and other nations have said they would join President Trump’s proposed “Board of Peace,” but France, Norway and Sweden have said no.
The White House and Denmark contradicted each other in public about what they had agreed to this week as President Trump continued to demand U.S. ownership of Greenland.