After serving in combat the sight of planes flying overhead makes a veteran feel uneasy, illustrating the behavioral process of:

sensitization

Explanation:

This scenario best illustrates the behavioral process of sensitization. This term refers to the neuroadaptive process which is characterized by an increase in a particular behavior after repeated exposure to drugs or other stimuli. In this scenario, the stimuli in question are planes flying overhead, which after experiencing this stimuli consistently in the war the veteran now feels uneasy every time that stimuli occur.

a factory opens that mass-produces light bulbs.

explanation:

not sure if that's an answer to your questions but this is an example! : )

the answer is d. amendments.