Answer:
Foot-In-The-Door Phenomenon.
Explanation:
Based on the scenario being described within the question it can be said that this scenario best exemplifies the Foot-In-The-Door Phenomenon. This phenomenon refers to the tendency in which an individual complies with a certain large request after agreeing to a smaller request. Which is what happened in this scenario since Alisa ultimately agreed to help Rodrigo with his exhibit after getting interested in it, which only happened because she agreed to go help him buy materials at the store.
Answer:
Because of survival instinct.
Explanation:
Before Humans became a social creature, they rely on their power to survive in the harsh environment. They fend for themselves, make their own shelter, fight off all the dangerous alone, etc.
Of course, many of them fail and died since there's only so much that a single human can do.
Knowing this, they try to combine their abilities and form groups to survive in the harsh environment. They soon realized that forming a group dramatically increase the chance of their survival since they can rely on other members to cover each other's weaknesses.
This is why humans started too transformed into a social creature.
A is the answer to this question.