The first paragraph of "Ambush" contains a conversation that takes place before the narrator killed a man in Vietnam.
before the birth of the narrator's daughter.
after the narrator's experiences in the Vietnam War.
after the narrator told his daughter the truth about war.
C IS THE ANSWER

what were the pronouns? did it use i, me, and my? if so, it was first person. if it had pronouns like you and your it was second person point of view. if it used he, she, and they, it was 3rd person point of view.

"urban sprawl, the spreading of large developments of housing and shopping areas around a city’s center, has many negative cultural and environmental effects. " (from your link)

so, your answer is: it has a negative effect on the environment, otherwise known as c~hope this mate.