Answer:
It shows that you respect whoever is speaking.
You will retain more information if you are listening intently.
It's a good skill to have for future classes, jobs, and just life in general.
The answer to this question is operant conditioning.
Operant conditioning is based on exposing someone to possitive stimuli if they display desired behavior and expose them to negative stimuli if they displaye unwanted behavior.
Eventually, they will associate the negative stimuli with unwanted behavior and naturally avoid it.
They wanted to take power of the continents from the pacific side to the atlantic
