CUBA, How does a blockade work?

 

The Sanctions No One Sees: How an Entire Nation Can Be Suffocated Without Officially Banning Food or Medicine

Many people believe that if the United States wanted to prevent Cuba from receiving food or medicine, it would simply sign a decree explicitly banning them.

But that is not how this system works.

Instead, a far more effective mechanism has been built: making trade with Cuba so risky that companies choose to stay away on their own.

No law needs to state that infant formula is prohibited. No executive order has to mention antibiotics, insulin or any other medicine. If every company capable of transporting those goods, financing them, insuring them or processing the payments fears the consequences of doing so, the outcome is almost exactly the same.

That is the logic behind secondary sanctions.

Unlike direct sanctions, these measures go beyond the country that imposes them. They place pressure on shipping companies, insurers, banks and foreign businesses by warning that maintaining commercial relations with sanctioned Cuban entities may expose them to severe penalties. Those consequences may include losing access to the U.S. dollar financial system, having assets blocked or facing other sanctions that could jeopardize their international operations.

For many international companies, the calculation is straightforward: the Cuban market is simply too small to justify risking access to the world's largest financial system.

So they leave.

The cargo itself has not been banned.

Instead, enormous pressure has been placed on everyone required to move it.

The consequences rarely appear in a single headline, but they build up over time.

Shipping companies abandon Cuban routes.

Banks refuse to process payments or close accounts.

Insurance companies stop covering vessels.

Ports, terminals and maritime operators become financially untouchable.

Sometimes a shipment remains stranded in another country.

Sometimes it is cancelled before departure.

And often it is never even negotiated because no company is willing to assume the risk.

The result is deliberate isolation.

The Executive Order signed on May 1, 2026, does not specifically mention infant formula or medicine.

Instead, it targets the entire system that allows those products to reach Cuba: those who transport them, those who finance the shipments, those who process the payments, those who insure the voyage and every intermediary that makes international trade possible.

When enough pressure is applied to every link in a chain, sooner or later the chain breaks.

And that pressure continues to increase.

Following the sanctions imposed on Cuba's foreign trade and maritime-port groups, foreign companies were given until August 12, 2026, to wind down their existing operations. After that date, continuing to do business with those entities may expose even non-U.S. companies and financial institutions to significant sanctions risks.

An entire supply route is being forced to shut down.

And it is precisely the route through which food, medicine and essential supplies must pass.

When supply chains collapse, statistics stop being numbers and become human stories.

A newborn whose parents cannot find infant formula.

A hospital patient waiting for medicine that never arrives.

A child whose daily treatment depends on imported products.

Families standing before empty shelves, wondering how they will feed their loved ones tomorrow.

These are no longer economic concepts.

They are people.

Human beings living with the consequences of decisions made thousands of miles away.

This is how economic asphyxiation works.

The pressure is tightened until an entire people struggle to breathe, while it is claimed that food and medicine were never officially banned.

Any discussion about sanctions should always keep in mind those who bear their consequences every single day.

Policies can be debated.

Governments can be criticized.

But ordinary people should never become collateral damage.

End the Blockade.

Let Cuba Breathe.