The Korean War, The Bay of Pigs invasion and the Cuban missile crisis had on the US, the USSR and China as well as the wider Cold War. This is most significantly reflected in the change in international prestige of the US and USSR and the tension the events in Korea and Cuba caused.The undercurrent of the Cold War is often argued to be war of propaganda, and therefore the role of Korea and Cuba was changing the international prestige of the two superpowers, the US and USSR, fighting in the Cold War.