King Charles set to return home with a quiet sense of mission accomplished

“This was almost like a last resort by a kind of spokesperson or a respected figure of the international community to walk into the beehive without getting stung and to say what needs to be said once and for all,” he added.

Unlike his mother, Queen Elizabeth II, whose near-universal popularity defined an era, Charles has had a more uneven public reception over decades as heir and since his ascension to the throne in 2022.

But parts of the British press, long critical of the monarchy’s handling of Mountbatten-Windsor, have rallied behind Charles in recent days, casting his trip to the U.S. as a moment that assured his position as a ceremonial but not political leader.

Britain’s powerful and conservative Daily Mail newspaper said the king delivered a “diplomatic masterclass” during his speech to Congress on Tuesday, where he wrapped appeals to history and shared values in disarming humor, cracking jokes about Britain’s past while pointedly stressing the need for alliances and support for Ukraine.

The same day, the left-leaning Guardian and right-wing Daily Telegraph newspapers also splashed images on their front pages of Charles at the congressional dais. The Daily Mirror featured an image of Charles and Trump laughing together, calling the king’s speech to Congress “historic.”

Later on Tuesday at a state dinner, Charles broadened his remarks beyond the alliance to constitutional and environmental themes. He included references to executive power being “subject to checks and balances,” delivered amid a war not approved by Congress, and to “the disastrously melting ice caps of the Arctic.” Trump, his host, is a climate change skeptic.

And against a backdrop of American-British relations arguably at their lowest point in decades — strained by the Iran war, Trump’s disagreements with NATO and his criticism of Britain’s immigration policies — Charles, whose distant ancestor King George III lost the American colonies 250 years ago, now represents a symbol of continuity in the relationship between the U.S. and the U.K., another analyst told NBC News.