 Complete the following phrase:  In May 1970, Florida-based dissident group Alpha 66 sank two Cuban fishing boats and captured their crews, demanding the release of Alpha 66 members imprisoned in Cuba. Under U.S. pressure, the hostages were released, and Castro welcomed them back as heroes. In April 1971, Castro gained international condemnation for ordering the arrest of dissident poet Herberto Padilla. When Padilla fell ill, Castro visited him in hospital. The poet was released after publicly confessing his guilt. Soon after, the government formed the National Cultural Council to ensure that intellectuals and artists supported the administration. In November 1971 he made a state visit to Chile, where socialist President Salvador Allende had been elected as the head of a left-wing coalition. Castro supported Allendes socialist reforms, where he toured the country to give speeches and press conferences. Suspicious of right-wing elements in the Chilean military, Castro advised Allende to purge these before they led a coup. Castro was proven right; in 1973, Chiles military 