Answer:
generalization
Explanation:
Generalization: In psychology, the term "generalization" is defined as the propensity of an organism (animals, human beings) to respond towards distinct yet similar stimuli in the same manner.
Example: As given in the question above, the boy gets scared of any other birds because of his experience towards a parrot that bit him on the nose earlier.
In the question above, the given statement signifies the "generalization process".
This answer would be A. school history (aka hell history)
The major purpose of the Truman doctrine was to stop Soviet imperialism during the Cold War. This was because the Soviets had a communist way of life, which the American people felt threatened by as the Soviets were encroaching in different parts of the world and the Americans did not want a take-over of this kind globally.
A. Think about the good feelings he has had
Specialization of labors leads towards productivity