I believe the answer is: Relationship building
understanding similarities and differences serve two important functions in relationship building. The first one is to create a sense of tolerance between different group of people. The second one is to help them achieve tolerable compromise during negotiation rather than conflict.
Is there suppose to be a cartoon attach to this question?
Answer I believe is cognitive
a. classical conditioning.
hope this answer correct (^^)
The first and most obvious answer to the question of why we're so obsessed with burgers is: burgers are cheap. ... It's not just that burgers are cheap, it's that they're easy to eat. Because the meat is ground up, you don't have to do much chewing. Because it's served on a bun, it's easy to eat.