Final answer:
The historical perspective of complexity theory has resulted in 'aha' moments in various fields, challenging prior assumptions. Examples include the impact of sociologists and anthropologists on culture and the influence of the human subconscious on behavior.
Step-by-step explanation:
The historical perspective of complexity theory has led to several 'aha' moments in various fields. One example is the influence of the uncertainty principle on sociologists and anthropologists, prompting them to question how their presence in communities affected their cultures. Another 'aha' moment came from psychologists Sigmund Freud and Carl Jung, who suggested that the human subconscious played a significant role in our lives. These insights challenged the rational basis of the Western world.