Passages 1 and 2 are being spoken of as events that have already occurred and are being recounted. This makes them flashbacks which, as the term implies, refers to a narrative style where the narrator speaks of events in the past.
Passage 3 on the other hand is the opposite. It alludes to events that are yet to come which means that it is using a flashforward narrative style where one talks of events they believe will occur or that they want to occur.
Explanation: throughout the story it shows that the all race inclusive restaurant is challenged by the social ideas of the are proving that the family will uphold their beliefs despite all the challenges that come with it
The reason why in Sniper the author doesn't use Sniper's name in the story is because the author doesn't want to continuously use the same thing multiple times.