Associated Press
FILE - This May 28, 2010 file photo shows the Camilo Cienfuegos oil refinery in Cienfuegos, Cuba.  Part of the Cuban government's effort, with Venezuela, to rehabilitate and modernize the area's oil refinery, is to build three additional loading docks and a terminal large enough to accommodate modern supertankers by 2014 at its port in Cienfuegos. Now nervous Cubans are worrying about a return of hard times following the March 5, 2013 death of Chavez, whose billions of dollars of oil largesse helped the island's economy function. More than a dozen countries besides Cuba in Latin America and the Caribbean, many of them economic minnows, have benefited to the tune of billions of dollars from the Petrocaribe pact, created in 2005 with the goal of unifying the regional oil industry under Venezuelan leadership and countering U.S. influence. (AP Photo/Ismael Francisco, Prensa Latina, File)

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