Answer:
c) overthrow Cuban dictator Fidel Castro
Explanation:
Dictator Fulgencio Batista was overthrown by a Cuban communist revolutionary Fidel Castro to take the control of Island. This changed the international situation where a communist neighbor was seen as a threat by the United States. This made the CIA under the order of the U.S president Kennedy to train 1400 Cubans exile who can invade Cuba and take over Castro.