That is known as a (Hook) or grabber, because it grabs the readers attention !<span />
When I read a story with a dialogue, I start to get an understanding on what the plot of the story may be. Foreshadowing is also something that happens in dialogues that you must pay attention to, it gives you clues.
Also, sometimes if a paragraph is long, the reader can get thrown-away from the story or get bored. So a dialogue may interest the reader again.
I hope this helps!
Answer:
A autobiographies.
Usually when people are talking about themselves in a story, it is based on their own experiences.
An argument in favor of school uniforms is an example of which position on a topic is proposition