<span>It promises the scope, purpose, and direction of the essay.
If I wrote an essay on vegetarianism, I would discuss why meat is bad for you. You gotta have a purpose when writing an essay.</span>
Answer:
Technology/social media
Explanation:
In previous generations, most of the social forces that influenced our self-identities were positive; parents, peers, schools, communities, extracurricular activities, even the media sent mostly healthy messages about who we were and how we should perceive ourselves.