The statement above is false. It is because not all people are the same, they are unique in their own ways and how they live their life. It does not mean because they bought the same things as other individuals, they will behave or think the same. Things that they bought won't affect how they will behave or how they think about things for all people are different.
To historical examples are given which is super important in the question!
Behaviorism (or behaviourism) is a systematic approach to understanding the behavior of humans and other animals. It assumes that all behaviors are either reflexes produced by a response to certain stimuli in the environment, or a consequence of that individual's history, including especially reinforcement and punishment, together with the individual's current motivational state and controlling stimuli. Although behaviorists generally accept the important role of heredity in determining behavior, they focus primarily on environmental factors.
They believed that because the military strength of their countries almost doubled in size after World War 1. They also felt humiliated and wanted revenge
