Answer: The Communist Leader that the US tried to overthrow was Fidel Castro.
Explanation: Fidel Castro had been a concern to U.S. policymakers since he seized power in Cuba with a revolution in January 1959. Castro’s attacks on U.S. companies and interests in Cuba, his inflammatory anti-American rhetoric, and Cuba’s movement toward a closer relationship with the Soviet Union led U.S. officials to conclude that the Cuban leader was a threat to U.S. interests in the Western Hemisphere.
Two factors that contribute to the variety in Caribbean music are the Spanish colonial history and African ancestry. Africans we’re forcefully brought to the Caribbean (known then as the West Indies) and influenced the islands with their drum beats. The Spanish settlers introduced an entirely different sound. These fused together with other factors to create that smooth Caribbean music.
This is part of the phenomenon of "Perceptual constancy".
Perceptual constancy, likewise called Object Constancy, or Constancy Phenomenon, the inclination of creatures and people to see recognizable questions as having standard shape, size, shading, or area paying little heed to changes in the point of viewpoint, separation, or lighting.