The Organization of Solidarity with the Peoples of Asia, Africa and Latin America (OSPAAAL), a non-governmental organization headquartered in Havana, Cuba, was founded in January 1966.[1] This poster by Alberto Blanco, proclaiming global solidarity with Puerto Rico, was produced for OSPAAAL in 1981. Until 1990, OSPAAAL circulated Tricontinental magazine, which reached eighty-seven countries at its peak, and included...