<span>They differed in their tool kits, adapting to their environment, social organizations, religion, government, diet and clothing.
Even though societies have far evolved from that time, humans' basic needs are generally the same. We just come up with a faster and more efficient methods to obtain the resources we need in order to fulfill our basic needs</span>
The correct answer is A. Groupthink
Explanation:
In sociology, "groupthink" is a concept that refers to the way in some groups conformity or an attempt to reach harmony leads to irrational ideas or decisions as individual critical ideas are not allowed, this also implies the individual's thoughts, independence and creativity are lost due to conforming. This concept differs from deindividuation as this concept refers to individuals losing the sense of self- awareness to support collective actions Considering this, in this case, Groupthink occurs because the pressure to conform prevents individuals to express critical ideas.