John F. Kennedy: Foreign Affairs The three main foreign affairs during John F. Kennedy’s presidential term were The Bay of Pigs, The Cuban Missile Crisis, and the Spread of Communism in South Vietnam. These were the main problems that the Kennedy administration faced. The Bay of Pigs was the first battle that John. F. Kennedy faced with communism and it came to just three months after his inauguration. Fidel Castro, Leader of Cuba, had been working to export its revolutionary ideas to other Latin American countries. In the US Castro was seen as a major threat. Under former president Eisenhower the CIA had prepared a plan for an invasion. The B