U.S.-China Relations
NextFin News - The United Nations' 35-year peacekeeping mission in Western Sahara has ended, and the man who leads the world body says the most likely next chapter is renewed war. Secretary-General António Guterres warned on Sunday that he "remains concerned about the security situation throughout the Territory and the risk of escalation of hostilities," after the Security Council failed to renew the mandate of the Mission for the Referendum in Western Sahara, known as MINURSO, beyond October 31. A reduced UN team has already begun a liquidation phase, repatriating equipment and disposing of assets. The departure of the blue helmets removes the only physical buffer that has separated Moroccan forces from the Algeria-backed Polisario Front since 1991 — and it hands investors a question most have not asked: what happens to the phosphate, fish and energy wealth beneath the disputed desert when the referees leave the field?
The answer matters far beyond a forgotten stretch of North African coastline. Morocco and Western Sahara together hold roughly 50 billion metric tons of phosphate rock reserves — about 70 percent of the world's total, according to US geological data — and Morocco's state-owned OCP Group already supplies a third of globally traded phosphate rock and nearly half of phosphoric acid exports. Western Sahara's coastal waters account for more than 73 percent of Morocco's annual coastal and artisanal fish catch by volume. This is not merely a diplomatic dispute over a stalled referendum; it is a resource corridor whose stability is quietly priced into global fertilizer and seafood supply chains. The end of MINURSO converts a frozen conflict into a live one, and the market has not repriced the risk.
The Vote That Killed the Mission
The mechanics of the collapse were stark. On Friday, the Security Council voted on a US-drafted resolution that would have extended MINURSO for another year, stripped the word "referendum" from its name, and made Morocco's autonomy proposal the sole basis for future negotiations. Eleven of the 15 council members backed it, including fellow permanent members France and the United Kingdom. Russia vetoed it. Ambassador Vassily Nebenzia said Moscow opposed the draft because it "favoured one side," adding that "the Security Council cannot automatically predetermine matters relating to sovereignty." The council then defeated a competing Russian resolution, leaving the mission to expire with no successor mandate.
Washington's frustration was visible. US Ambassador Mike Waltz called it "truly unfortunate that in 2026, the veto was used to 'preserve the letter R [in the Mission's name] for referendum.'" He argued the American proposal "would have moved the 50-year conflict forward" and that "the status quo is unacceptable." The exchange laid bare the real fault line: the United States has abandoned the referendum framework that gave MINURSO its purpose and now treats Morocco's autonomy plan as the only viable settlement. That position was formalized on April 8, 2025, when Secretary of State Marco Rubio reaffirmed US recognition of Moroccan sovereignty over the territory and called the autonomy plan "serious and credible," and again in August 2026, when the Trump administration reiterated the same stance.
Guterres, for his part, insisted that the peacekeepers' departure "does not diminish or eliminate" the Sahrawi people's "inalienable right to self-determination." Political talks will continue under his personal envoy, Staffan de Mistura, with Special Representative Alexander Ivanko overseeing the mission's closure — a closure that has already claimed 20 UN lives over three and a half decades. But diplomacy without a monitoring force on the ground is a different animal. The ceasefire that MINURSO was created to supervise broke in November 2020, when Polisario protesters blocked the Guerguerat crossing in the UN buffer zone and Morocco sent in troops to reopen it. Low-intensity hostilities have continued ever since, with Moroccan drone strikes in Polisario-held areas and repeated Polisario attacks into Moroccan-controlled territory.
Why the Buffer Mattered More Than Anyone Admitted
Peacekeeping missions are usually judged by their failures, and MINURSO has a conspicuous one: it never delivered the referendum it was named after. But its quiet success was territorial separation. The mission patrolled the buffer zone and the roughly 2,700-kilometer sand berm that Morocco built across the territory, reporting violations and keeping patrols between two armies that have not trusted each other since Spain withdrew from the colony in 1975. With the liquidation phase underway, those patrols end. Equipment goes back to troop-contributing countries. The UN's eyes close.
The danger is not abstract. Since 2020, both sides have tested red lines that were previously untouchable. Morocco has deployed artillery and established positions inside the former UN buffer zone. The Polisario Front, backed by Algeria, has carried out attacks inside Moroccan-controlled areas, including near former MINURSO sites. The military balance has shifted decisively toward Rabat: following the December 2020 Israel-Morocco normalization agreement, Morocco purchased at least 150 drones from Israel, and their use has been documented over Polisario-controlled areas, striking both fighters and civilians. In October 2022, Morocco struck a deal with Israel to build two factories producing war drones domestically.
That asymmetry shapes the escalation scenario. A full-scale conventional invasion of the Polisario's rear bases in Algeria is unlikely — it would mean war with Algeria itself, a step Rabat has consistently avoided. What is far more plausible is an intensification of the pattern already in place: drone campaigns, artillery duels along the berm, and strikes on infrastructure. The risk is that an incident with higher casualties than usual — a strike that kills Moroccan soldiers inside Moroccan-controlled territory, or a Polisario projectile that reaches a population center — creates political pressure for a response that neither government can easily de-escalate. Without UN observers to verify what happened and where, each side's version becomes the only version available.
The Resource War Beneath the Diplomatic One
Western Sahara's strategic value has always been geological. The territory holds some of the richest phosphate deposits on earth at Bou Craa, and its Atlantic waters are among the world's most productive fisheries. OCP Group produced 35.5 million metric tons of phosphate rock in 2019 and exported 9.5 million tons that year — 37 percent of global phosphate rock exports. The company held a 49 percent share of global phosphoric acid exports and 24 percent of phosphate-based fertilizer exports. OCP planned to lift production capacity to 60 million tons a year by 2025, from 36.6 million tons. Morocco's leverage in global food security is not theoretical: half of India's phosphate-based fertilizer imports come from OCP, 40 percent of Brazil's, and 41 percent of Europe's. In Africa, OCP supplies 54 percent of imports, reaching 90 percent in Nigeria.
Western Sahara's Bou Craa mine is a minor part of OCP's overall operations — most Moroccan phosphate exports leave from ports in Morocco proper, according to Western Sahara Resource Watch. But the symbolism is potent, and the vulnerability is real. Any disruption to Moroccan export routes, or to the political and legal certainty that underpins OCP's long-term expansion plans, would ripple through fertilizer markets already conditioned by China's export curbs on phosphorus. With roughly 70 percent of global phosphate reserves concentrated in Morocco and Western Sahara, the discount rate applied to Moroccan supply lengthens if the territory becomes a genuine flashpoint — and importers from India to Brazil feel it in the price of food.
The fisheries dimension is equally concentrated. Western Sahara's coastal area accounted for 61.5 percent of the value of Morocco's national fish catch in 2024. The EU-Morocco fisheries partnership, which covers Western Saharan waters, expired in July 2023 and has not been renewed, derailed in part by the political conflict and Morocco's demand for better terms. European vessels — mostly Spanish, but also French, German and Dutch — lost access. A renewed outbreak of hostilities would harden those positions further, not soften them.
The Second-Order Trade Nobody Is Pricing
Here is the uncomfortable question for markets. The consensus read of this story is narrow: a diplomatic setback for the UN, a modest win for Russia's obstruction, a headache for the US and France. That read is correct as far as it goes, and it is already priced in. The second-order effect is different. MINURSO's end is the first concrete signal that the post-1991 international consensus on Western Sahara — referendum first, sovereignty later, resources frozen in legal limbo — has collapsed. The United States has moved to Morocco's side. Morocco is acting accordingly. And the physical mechanism that kept the resource question dormant is gone.
This is a structural shift, not a cyclical flare-up. A cyclical reading would treat the escalation risk as a temporary spike that mean-reverts once diplomats reconvene. That view rests on three assumptions: that the referendum framework can be revived, that the buffer zone can be restored, and that the parties have an incentive to return to the pre-October status quo. All three are false. The referendum is dead — Washington said so explicitly by trying to remove it from the mission's name. The buffer is being dismantled, not paused. And Morocco, backed by US recognition and Israeli military technology, has every incentive to consolidate control rather than rewind to a stalemate that favored delay.
The structural reading points to a different endpoint: a long, low-intensity conflict punctuated by periodic escalations, with Morocco gradually cementing facts on the ground while the Polisario and Algeria resort to asymmetric pressure. The beneficiaries are not obvious. Morocco gains diplomatic momentum but inherits a permanent security burden along a 2,700-kilometer berm. Algeria gains a lever to pressure Rabat but risks being drawn into a conflict it cannot control. Europe loses a stable southern neighbor and faces renewed migration and energy-security pressures. The exposed are clearer: anyone long Moroccan sovereign or corporate risk, anyone dependent on Moroccan phosphate, and the roughly 174,000 Sahrawi refugees in the five Tindouf camps whose humanitarian lifelines run through a region now one incident away from disruption.
The Strongest Counter-Argument — and Why It Only Partly Holds
The bear case on escalation is serious and deserves its due. Morocco holds overwhelming conventional superiority. It controls roughly 75 to 80 percent of the territory, commands a modernizing military equipped with Israeli drones and artillery, and enjoys growing international recognition of its sovereignty claim — from the United States under both the 2020 executive order and the 2025-2026 reaffirmations, to a lengthening list of states that have opened consulates in the territory. The Polisario Front, by contrast, is a lightly armed movement dependent on Algerian patronage, with no path to conventional victory. Rational actors on both sides know this. Deterrence, not chaos, should prevail.
That logic held for 29 years under the ceasefire. It held, too, through the first six years of renewed hostilities, which have remained contained below the threshold of all-out war. The counter-thesis is therefore not wrong about the ceiling on this conflict: a Moroccan march on Tindouf or a Polisario reconquest of the territory are both implausible. But a low ceiling is not the same as no risk. Wars do not require rational grand strategy to start; they require a trigger that leaders cannot walk back. The removal of the UN's verification layer raises the odds of exactly that kind of trigger — a disputed incident with no neutral arbiter, a casualty count that domestic audiences will not accept, a retaliatory strike that crosses a line the other side considers existential.
The falsifying signal is specific and observable. If, over the coming months, hostilities remain confined to the pattern of the past six years — sporadic Polisario attacks on unoccupied stretches of the berm, Moroccan drone strikes on mobile Polisario units, no Moroccan military casualties inside Moroccan-controlled territory, and no Polisario projectile reaching a population center — then the structural-escalation thesis is wrong, and the market's indifference is justified. But a single event that breaks that pattern — Moroccan soldiers killed inside the berm, an incursion toward the Tindouf camps, or a strike that draws Algerian forces into direct engagement — would confirm that the post-MINURSO environment is qualitatively more dangerous than the one it replaced.
What Comes Next
In the short term, expect diplomatic noise and market silence. Staffan de Mistura will shuttle between capitals. The UN will issue statements. Investors will largely ignore the story, because phosphate prices are set by Chinese export policy and global grain demand, not by a desert war with no oil in it. That inattention is the asymmetry: the risk is small in absolute terms but large relative to the price the market assigns it, which is close to zero.
Over the medium term, the resource dimension comes into focus. OCP's expansion plans assume political stability. Importers from India, Brazil and Europe assume uninterrupted shipments. A sustained escalation would force both assumptions to be retested, and the retest would show how concentrated global phosphate supply has become. Morocco's share of global reserves is not a vulnerability today because no one challenges it. The end of MINURSO makes challenge more thinkable — not necessarily through military seizure of Bou Craa, but through legal attacks on export contracts, insurance premium adjustments, and the kind of reputational pressure that activist groups have already mobilized.
In the long term, the question is whether the international community can build a new stabilizing mechanism to replace the one it just let expire. Guterres has said the UN "stands ready to continue supporting efforts to advance dialogue and pursue a peaceful resolution." Dialogue without monitors is a promise without collateral. The alternatives are unappealing: a renewed, enforceable mandate that none of the permanent five can agree on; a unilateral Moroccan security architecture that the Polisario and Algeria will never accept; or a slow drift toward a conflict whose contours were set in 2020 and whose ceiling has just been raised.
"The Secretary-General remains concerned about the security situation throughout the Territory and the risk of escalation of hostilities," UN spokesperson Stéphane Dujarric said, urging all parties to exercise "maximum restraint and to refrain from actions that could further increase tensions or undermine regional stability."
The central judgment is this: the end of MINURSO is not the cause of a new war, but it is the removal of the mechanism that made the old peace durable. Markets price wars when tanks move. They rarely price them when referees leave. In Western Sahara, the referees have left, the tanks have been in place since 2020, and the resource prize underneath the sand has never been more valuable. That combination does not make escalation inevitable — but it makes the status quo that investors are quietly relying on a thing of the past.
Explore more exclusive insights at nextfin.ai.
