Which pairing below best fits the pattern of [1] Cold War confrontation and [2] Cold War coexistence? 
a) [1] Cuban Missile Crisis, [2] SALT I 
b) [1] Korean War, [2] Cuban Missile Crisis 
c) [1] Bay of Pigs Invasion, [2] Vietnam War 
d) [1] McCarthyism, [2] U-2 Incident