For decades, Mexico maintained a foreign policy that, with all its nuances and contradictions, preserved a singular feature: the defense of sovereignty as an operational principle, not as a rhetorical slogan. This tradition survived regime changes, ideological shifts, and external pressures of all kinds. Even during periods of closest ties with the United States, Mexico maintained a clear line: not to participate in the political and economic enclosure of Cuba.
This historical continuity has been broken. The immediate context of the shift is well known. Washington has made it clear that it will impose tariffs and indirect sanctions on countries that continue exporting oil to the island. Faced with this scenario, Mexico is opting to withdraw from the energy supply and present the decision as a reconfiguration of its support: less oil, more “other types of aid.” The logic is transparent. The aim is to avoid trade sanctions by shifting solidarity to a less contentious arena from the perspective of the bilateral relationship.
However, this shift is not neutral. Exchanging oil for humanitarian aid does not equate to upholding a policy of autonomy, but rather to adapting to limits defined from the outside. Assistance can alleviate specific shortages and address immediate emergencies, but it does not replace the political significance of maintaining an energy relationship within a context of explicit blockade. The implicit message is clear: Mexico accepts the imposed limits and is reorganizing its foreign policy within them.
The decision cannot be interpreted as a technical adjustment or an isolated administrative measure. It is, in effect, a shift in foreign policy. Not because Mexico has the material capacity to determine the island’s fate—it does not—but because it is abandoning a historical position that granted it a distinct, recognizable, and respected place on the Latin American diplomatic map.
It is important to be precise. Cuba is not currently facing a crisis due to Mexico’s conduct. The causes of its fragility are structural, accumulated, and profound: decades of blockade, the exhaustion of its productive model, unresolved internal tensions, and an increasingly adverse international context. To think that the fall or transformation of a regime can be explained by a single external decision would be a serious analytical error and a historical oversimplification.
But in international politics, symbols matter as much as material flows. Mexico was not a decisive energy supplier for Cuba. Its weight did not lie in volumes or contracts. It was something different: a political anchor, a persistent reminder that not all of Latin America readily accepted the logic of isolation and punishment. By withdrawing from that position, Mexico does not “bring down” Cuba, but it legitimizes the blockade and contributes to normalizing a policy that it has historically questioned from the outset: non-intervention.
The main cost of this decision, however, is not in Havana, but in Mexico City. By yielding under pressure, the Mexican state sends a disturbing message: sovereignty ceases to be a guiding principle and becomes a negotiable variable. The idea takes hold that, under certain external conditions, autonomy can be pragmatically suspended without significant public deliberation. This precedent is more serious than any short-term calculations regarding bilateral relations or momentary balances.
For the Latin American left—even for those who have been critical of the Cuban regime—the meaning is clear. It will not be interpreted as realism or strategic prudence, but as an abandonment of a tradition that distinguished Mexico even in the face of openly conservative governments of the past. The loss is symbolic, but symbolic losses tend to have lasting and difficult-to-reverse effects.
This shift does not occur in a vacuum. It is part of a broader context in which foreign policy is increasingly being redefined by fear: fear of sanctions, fear of financial instability, fear of diplomatic discomfort. The problem isn’t recognizing power imbalances—they’ve always existed—but rather making them the guiding principle of state action.
When that happens, foreign policy ceases to be strategy and becomes mere risk management. Immediate containment is prioritized over long-term planning. Conflict is avoided, but at the cost of relinquishing a distinct voice.
History doesn’t usually judge tactical errors or decisions made under pressure harshly. But it does clearly record breaches of principle. In the long run, what will remain is not the technical explanation or the specific circumstances, but the moment when Mexico ceased to be an exception and accepted, without much resistance, the role others assigned it.
This isn’t a matter of nostalgia or ideological romanticism. It’s a historical warning. Countries that relinquish their traditions of autonomy rarely easily regain the position they abandoned. And when they try to do so, they usually discover that the cost was greater than they initially seemed willing to admit.
Original article by José Romero, La Jornada, February 3rd, 2026.
Translated by Schools for Chiapas.