The United States has chosen the eve of its 250th anniversary of independence to deliver its most explicit diplomatic endorsement yet of Morocco’s position on Western Sahara. At a gala reception on 9 June 2026 in the ancient Chellah necropolis on the outskirts of Rabat, Ambassador Richard Duke Buchan III declared that President Donald Trump stands firmly behind the Moroccan autonomy proposal as “the only basis for a just and durable solution.” His words, delivered in the presence of senior Moroccan ministers and the diplomatic corps, transform a ceremonial national day into a deliberate signal of strategic alignment.

Hosting the event for the first time amid the Merenid and Roman ruins was itself a statement of deep historic resonance. It was the sultan of Morocco who, in 1777, became the first foreign sovereign to recognise the fledgling American republic, anchoring what the ambassador called “one of America’s oldest diplomatic relationships.” The setting allowed both sides to weave that legacy into a forward-looking narrative, with Moroccan officials noting that the partnership now stretches “from Tangier to Dakhla.” Public- and private-sector figures mingled beneath floodlit minarets, as the evening fused heritage with a message of enduring alliance.

Viewed from Washington, the overtly partisan language on the Sahara reflects a transactional foreign policy that rewards reliable allies with uncritical backing. Analysts in London observe that this rhetorical shift moves well beyond the traditional US posture of supporting a UN-led process, handing Rabat a diplomatic asset it will wield in future negotiations. For Rabat, the ambassador’s framing of Morocco as “the most solid and most reliable ally in the region,” guided by the “enlightened vision” of King Mohammed VI, confirms its self-perception as an indispensable anchor of stability in North Africa. In contrast, European capitals that favour a multilateral approach are likely to view the pronouncement as a unilateral move that complicates an already fragile roadmap to a referendum.

The ambassador projected the alliance into the next quarter-millennium, describing a bond that would deepen across security, trade, and investment. While that promise will be welcomed in Moroccan boardrooms and military headquarters, it also carries risk. A more entrenched US alignment could embolden Rabat in its dispute with Algiers and the Polisario Front, raising the temperature in a region where external patronage often calcifies positions. The carefully choreographed evening at the Chellah was in essence a theatrical consecration of a partnership both capitals now openly treat as a pillar of their respective strategic architectures, leaving little room for the ambiguity that has historically characterised great-power diplomacy in the Maghreb.