Bauta: After two decades of relative stability fueled by cheap Venezuelan oil, shortages of food and medicine have once again become a serious daily problem for millions of Cubans.
According to experts a plunge in aid from Venezuela, the end of a medical services deal with Brazil and poor performances in sectors including nickel mining, sugar and tourism have left the Communist state 1.5 billion US dollars in debt to the vendors that supply products ranging from frozen chicken to grain mill equipment.
Across the country, stores no longer routinely stock eggs, flour, chicken, cooking oil, rice, powdered milk and ground turkey, among other products.
For unclear reasons, the price of pork has doubled in many areas, to nearly three dollars a pound (0.45 kilograms) in some cases.
No one is starving in Cuba, but the shortages are so severe that ordinary Cubans and the country's highest leaders are openly referring to the "special period," the years of economic devastation and deep suffering that followed the collapse of the Soviet Union, Cuba's Cold War patron.
The Trump administration is working hard to push Cuba toward an economic crisis.
Washington has sanctioned Venezuela's oil industry and the shipping companies that move Venezuelan oil to Cuba.
On Wednesday, U.S. National Security Adviser John Bolton announced further measures against Cuba and its allies, including a new cap on the amount of money that families in the United States can send their relatives on the island and new restrictions on travel to Cuba.
For decades, such U.S. policies were aimed at uprooting the Castro-led socialist state by creating an economic collapse and popular uprising.
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"They (sanctions) will have an impact at a particularly delicate time for the country's external finances," Ricardo Torres Perez, an Economist at the Study Centre of Havana University said.