Answer:
Repression.
Explanation:
Repression is the psychological attempt to direct one's own desires and impulses toward pleasurable instincts by excluding them from one's consciousness and holding or subduing them in the unconscious
The answer is the transcontinental railroad
I believe the answer is: A. demographic
The demographic data is most commonly used by advertisers to provide the most suitable product campaign to their target audiences.
For example, a cosmetic product usually would put their advertisement on entertainment -platform that predominantly watched by young women.