A person walking because there moving which is mechanical energy.
I believe the answer is: Stimulus enchancement
Stimulus enhancement refers to an exposure toward a certain stimulus that make the observer aware on the relationship between the stimulus and the result. In the scenario above, the new dog is the observer, buddy chasing the lgiht is the stimulus, and Zoe follow in chasing the red light is the result.
Southerners wanted to develop industry because they relied on the North for their industry, but since they were in a war the North was not giving them anything.