3.4 – Power and developments
3.6 – Comparative theories
The state visit of Charles III to the United States between 27 April and 30 April 2026 underscores the importance of soft power in contemporary international relations. As the first such visit since 2007, it carries symbolic weight amid tensions within the bilateral relationship. Soft power operates through attraction, legitimacy and cultural influence rather than coercion. The visit emphasises shared history, coinciding with the USA’s 250th anniversary of independence. Key moments, including the King’s address to Congress on 28 April 2026 and high-level diplomatic engagements, are designed to reinforce long-term ties. These interactions reflect relational power, where influence is rooted in networks, trust and sustained engagement.
The visit occurred in a challenging geopolitical context. Tensions linked to US foreign policy, particularly regarding Iran and disruptions to the Strait of Hormuz, have strained relations. British policymakers have framed the visit as an opportunity to reaffirm the partnership, illustrating how soft power can be used to manage diplomatic friction.
For the UK, a middle power, soft power is a key resource for maintaining influence. The monarchy functions as a non-partisan diplomatic asset, reinforcing legitimacy and continuity. However, the visit also highlights limitations. Described as diplomatically “risky”, it demonstrates that symbolic engagement cannot resolve deeper structural divergences, and it has not led to any major American policy reversals on issues affecting the UK. Nonetheless, soft power remains essential in sustaining alliances within a multipolar system where legitimacy and perception are central.