A high-stakes meeting between the U.S., Denmark and Greenland over the Arctic island’s future ended without a major breakthrough, amplifying concerns about the prospect of a near-term solution.

The White House meeting on Wednesday between U.S. Vice President JD Vance, U.S. Secretary of State Marco Rubio, Danish Foreign Minister Lars Lokke Rasmussen and Greenland’s Vivian Motzfeldt lasted for about an hour.

Denmark’s Rasmussen described the conversation as “frank but constructive,” but added that U.S. President Donald Trump’s repeated threats to take control of Greenland were “totally unacceptable.”

CNBC takes a look at five key takeaways from the White House showdown.

For some, the White House talks did achieve something significant. The U.S., Denmark and Greenland agreed to establish a high-level working group to try to determine a way forward for the self-governing Danish territory.