"So we're going to be doing something with Greenland, either the nice way or the more difficult way," he added, referring to obtaining it through purchase or military might.
President Trump on Friday called on American oil companies to invest in Venezuela's oil market — should a deal be reached with Caracas — encouraging them to "rip out the old crap" and build new drilling infrastructure.
Venezuela's top lawmaker and brother of interim President Delcy Rodriguez on Thursday announced that Caracas would release certain political prisoners held captive, following demands from the US.