Trump narcissism could prove dangerous.

If I was the Danish  Prime Minister  I would have countered US President  Donald Trump's absurd offer to buy  the Autonomous country of Greenland with a  counter offer for Porto Rico an  unincorporated territory of the United States .

The Hill is an American political newspaper reports that 

President Trump’s decision to pick a fight with Denmark has stunned foreign policy experts already accustomed to being surprised by the White House's unconventional approach to traditional U.S. allies.
Trump on Wednesday branded Danish Prime Minister Mette Frederiksen’s remarks rejecting his proposal to purchase Greenland, an autonomous Danish territory, “nasty” and “inappropriate.”

“She’s not talking to me. She’s talking to the United States of America. You don’t talk to the United States that way,” Trump told reporters at the White House one day after he canceled plans to visit Denmark over the dispute.
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Some accused Trump of disrespecting a close European ally. Denmark is a member of NATO, and its troops have fought alongside the U.S. in the conflicts in Iraq and Afghanistan.

“He’s insulting a NATO ally, a close ally, that has fought to defend us,” said Evelyn Farkas, a fellow at the German Marshall Fund and former deputy assistant secretary of Defense under the Obama administration, who argued that the decision could result in Denmark and other allies distrusting the United States.

“We are now unpredictable and unreliable. And once you’re unpredictable and unreliable, your allies go elsewhere for their security and their stability and for their partnership and maybe ultimately for their alliances,” Farkas said.

Retired Gen. Michael Hayden, who served in top intelligence posts during the Clinton and George W. Bush administrations, criticized the move as “pathetic” in a tweet Wednesday afternoon.

Others were struck by Trump’s creation of a diplomatic incident, first with his suggestion that he buy Greenland and then with his decision to cancel a trip to Denmark after that country's leader said Greenland was not for sale.
“Everyone believes it is absurd,” said Luke Coffey, a foreign policy expert at the Heritage Foundation. “It would be like the prime minister of Denmark saying that she wants to buy Puerto Rico or Guam. What would the president of the United States say then? It’s not just a piece of land. There are 56,000 people that live on that island.”
Trump entered into a robust defense of his decision on Wednesday before departing for a speech at the annual American Veterans convention in Kentucky, expressing offense at Frederiksen’s use of the word “absurd.”

Later on Twitter, Trump dinged Denmark for not spending enough on NATO — a popular criticism the president has used against various members of the alliance.

“For the record, Denmark is only at 1.35 percent of GDP for NATO spending. They are a wealthy country and should be at 2 percent. We protect Europe and yet, only 8 of the 28 NATO countries are at the 2 percent mark. The United States is at a much, much higher level than that,” Trump tweeted.

“Because of me, these countries have agreed to pay ONE HUNDRED BILLION DOLLARS more - but still way short of what they should pay for the incredible military protection provided. Sorry!” he added.
Trump’s trip to Denmark was announced at the end of July. He was scheduled to travel there at the beginning of September for bilateral meetings and discussions with business leaders following a stop in Poland to commemorate the 80th anniversary of the beginning of World War II.

At the end of last week, reports surfaced that Trump had expressed interest in purchasing Greenland. Trump first spoke publicly about the possibility on Sunday, telling reporters it would mirror a “large real estate deal” and could be strategically advantageous to the United States.

Trump also told reporters Sunday that the prospect was not “top in the list” of issues he would discuss with his counterparts in Denmark, only to suggest otherwise by canceling the meeting over the Danes’ lack of interest Tuesday evening.

The developments come days before Trump will huddle with leaders from the other Group of Seven (G-7) economies at an annual summit in France.

Experts say it’s unlikely to be a major topic of discussion at the summit, of which the Danes are not a part. The meeting is expected to delve into more pressing issues such as the global economy and the ongoing conflict in Syria, and Trump is sure to face questions on his trade policies as well as his renewed support for Russia’s reentry to return it to the G-8.
Still, Trump’s move vis-à-vis Denmark has sparked confusion and rebuke among Danish officials while renewing focus on the president’s hardball foreign policy tactics.

Some observers have offered another possible explanation fpr Trumps canciling and even why he has creared an absurd row before a n official visit.

According to the Independent....

....Trump’s predecessor, Barack Obama, plans to visit Denmark at the end of September, and Trump feared the contrasting optics.“Trump was scared of the likely contrast,” opined David Frum. “Trump knows Obama is bigger than he is, around the world as well as in the United States. That knowledge tortures Trump.”
Several things are immediately striking about this episode. First, it’s a measure of how low we’ve all sunk that, in trying to explain why the president of the United States is making a consequential decision involving an official state visit, we’re forced to choose between two competing rationales that have nothing whatsoever to do with international diplomatic considerations or our national interest.
Notably, the official reason for the cancellation is nearly as saturated in narcissism and megalomania as the “less” flattering Obama-oriented explanation is: Trump is either angry that Denmark Prime Minister Mette Frederiksen is not taking his suggestion seriously, or he’s embarrassed by it – or both.

The idea that Trump would be driven – at least in part – by fear of a contrast with Obama’s reception is deeply twisted, of course, and I don’t claim to know whether this is the case. But this brings us to the second striking thing about this affair: That this might be partly what’s motivating Trump’s cancellation simply cannot be dismissed.
Everything we’ve seen from Trump makes it inescapable: An unflattering contrast with an Obama visit unquestionably would be something Trump wants to avoid.
After all, Trump regularly bases major policy decisions on a zeal to undo whatever Obama did – as if blotting out the Obama presidency is a measure of his own success – even as Trump and his propagandists regularly go to extraordinary lengths to create the cult-like illusion that he’s loved everywhere.
This includes claiming that polls showing his deep unpopularity are media fabrications and regularly inflating and obsessing over crowd sizes. Trump’s hypersensitivity to how he’s received extends abroad, too: After his trip to London, Trump claimed that large protests there simply never happened.
So it’s at least plausible that one of Trump’s considerations in cancelling the Denmark trip was Obama’s planned visit. Which brings us to an interesting tension in Trump’s approach to all these matters.

Whichever is the reason  it is typical of Trumps Narcissistic  personalty , that he could not see that his bid for Greenland , (Which would be like one for Wales) would create a diplomatic  storm.

The fact that it has been taken seriously, indicates how far American and Woeld politics.

What worries me is if it becomes clear to Trump that he will face an humilating  defeat in Next Year's  Presidential election, what steps he could take  they could be cataclysmic .

His narcissism  could see him trying to take the whole world down with him.