Answer: Amygdala
Explanation: Amygdala is a major composition of the brains of complex animals including Man, Squirrel etc. It is the composition of the Brain that helps to react during fear condition. If the Amygdala is damaged it will be difficult or impossible for the Animal to react to fear,like the case of the Squirrel to signals from an impending shock after the damage of its Amygdala.
The answer is
B. Subculture
Korean War, 1950
U2 Crisis, may 1960
Bay of Pigs, 1961
Marshall Plan and Truman Doctrine,1947
Cuban Missile Crisis, 1962
There were only 10 days between the two battles and they helped gain American control.