Politics, technology, consumerism, religion, & economy are all big parts of modern day culture.
Mary's behavior is an example of learned helplessness, that is a behaviour pattern of a subject that endures repeatedly aversive, violent or traumatic stimuli and becomes unable to escape or avoid them. The subject has a tendency to not accept escape or avoidance as an option in the future.
Postal Service losing money because of congressional mandate not low prices. President Trump threatened to block an emergency federal loan for the U.S. Postal Service unless it raised shipping prices for online retailers.
I believe the answer is: Positive reinforcement
Positive reinforcement refers to a desired reward/stimulus that given to encourage an individual in doing a certain behavior.
In this case, music as something that jenny's crave and her craving is rewarded everytime she repeat the behavior of opening up the channel
