The third alternative is correct (C).
Cuba is a communist dictatorship.
The Cuban Revolution, which took place in 1959, was a guerrilla movement led by Fidel Castro, who overthrew the dictatorial government of Fulgencio Batista, but implanted in Cuba another dictatorial regime of socialist nature and linked the Caribbean island politically and economically to the Soviet Union. Despite the fall of the Soviet Union, Cuba's dictatorial socialist rerime remains to this day.
