3) Spanish and other European immigrants that were encouraged to settle in Cuba as per attempts to "bleach" the island. This was the first time anything like this was seriously proposed since Haiti earned its independence. This is important to note because the "spectre" of Haiti loomed ominously over Spanish and Cuban whites for a century and most of their policies towards Cuba's Blacks were reflective of it. The following year, the Cuban Ward Connerly of his day, Martin Morúa Delgado was elected Speaker in Cuba's Senate. The year after that, Morúa introduced legislation that became known as the Morúa Amendment and it outlaws the PIC because is was based on race and racism was supposedly eradicated in Cuba. Just before the vote was taken to enact this bill into law, Estonez and other PIC leaders were imprisoned and were kept in jail until after the law was passed.
The CIA created a covert operation called JM WAVE which was based in South Miami. It's mission was to assassinate [Fidel Castro] and repatriate this area's Cubans back to their land. This undertaking had over 15,000 exiles on it's bankroll and had a budget of over $50 million dollars, which is worth over $350 million dollars in today's market.
