State visits are always grand occasions, but Donald Trump’s second was unprecedented in terms of scale and spectacle. The president was treated to the most impressive ceremonial welcome ever laid on for any head of state.

After enjoying a carriage ride through the grounds of Windsor Castle with the king, queen and prince and princess of Wales, the president was greeted by the largest guard of honour ever, comprising 1,300 troops and 120 horses. A lunch, private tour of St George’s Chapel and a Red Arrows flypast followed, before the day culminated in a lavish white-tie state banquet.

All this pomp and pageantry has a purpose and a keen eye can spot meaning in most parts of the itinerary.

For example, there were obvious nods to the government’s priorities for this visit throughout the first day, even before the government meetings began. Prime minister Keir Starmer has wanted to focus on tech and defence, so we saw key business leaders, including the head of Apple and CEO of OpenAI, on the guest list for the state banquet.

There was also a clear focus on defence throughout the first day’s proceedings. As well as inspecting the customary guard of honour, the President took part in the “beating the retreat” ceremony – the first time that this historic military parade has been performed at an incoming state visit.

British and American F-35 fighter jets were part of the aerial flypast and when symbolic gifts were exchanged, Trump presented the king with a replica of a President Eisenhower sword. This, he said, was a “reminder of the historical partnership that was critical to winning World War II”.

But perhaps the government’s objectives were seen most clearly in the speeches delivered during the state banquet. King Charles explicitly reminded the President that the UK had agreed “the first trade deal” of any country with his administration, which he said had brought “jobs and growth” to both countries and hoped would allow for them to “go even further as we build this new era of our partnership”.

Most striking of all, however, were the king’s comments on defence. He explicitly told Trump that “in two world wars, we fought together to defeat the forces of tyranny. Today, as tyranny once again threatens Europe, we and our allies stand together in support of Ukraine, to deter aggression and secure peace”.

The first day of any state visit is all about royal pageantry, with discussions of politics usually left for day two. This is because in the UK’s constitutional monarchy, the monarch is bound by the doctrine of political neutrality, which means that the king must remain neutral on political matters.

But some have argued that Charles was, with these comments, straying into politics and went too far. The journalist Michael Wolff said the king was effectively correcting Trump over his failure to strike a peace deal in Ukraine and that the President would have been “super irritated” by the intervention.

However, it is important to note that the king’s words will have been chosen carefully for him by the UK government. This is because Charles is bound by the cardinal convention, a constitutional rule according to which he must act on the advice of the government. All his speeches are written by ministers, and this particular speech reportedly went through many drafts to ensure that the king “pushes the right buttons without crossing political lines”.

The button that this speech was designed to push was peace in Ukraine. After his very public spat with Ukrainian president Volodymyr Zelenskyy in the Oval Office earlier this year, the UK government has been concerned that Trump is indifferent about who wins the Russia-Ukraine war and favours an appeasement solution with Putin. It wants to get Trump firmly on Ukraine’s side – and thought the king was the best person to deliver this message.

The king is a skilled diplomat whose unrivalled soft power gives him the unique ability to influence some of the biggest political issues of our time. And he seems to get on well with Trump. The king met the President during his first state visit in 2019, wrote to him following his assassination attempt and, unusually, invited him for an unprecedented second state visit with a special hand written note.

There seemed to be genuine warmth between the two men during this second visit. The President, for example, praised the king, describing him as “his friend who everybody loves” and “a great gentleman and a great king”.

And there are signs that this flattery and warmth nullified any potential annoyance over the Ukraine comments. In his own speech, Trump effused that the day was “one of the highest honours” of his life and that “the word ‘special’ does not begin to do justice” to the UK-US relationship.

If the state visit helps increase US support for the British economy and Ukraine, it will be a job well done for the royals.

This article is republished from The Conversation, a nonprofit, independent news organization bringing you facts and trustworthy analysis to help you make sense of our complex world. It was written by: Francesca Jackson, Lancaster University

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Francesca Jackson does not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.