What narrative point of view is used in the passage ?

If the passage uses the words like me, I and myself it's first person. If the passage uses words like there would be in an instruction manual, thats second person. If it uses words like she, he, the characters name and more like that its third person.

Explanation:

innocence can be defined as the lack of sin, relating it with the lack of guilt, also it can be a synonime of naivety. most people agree that sins are made out of experiences, intentionally or not, as well as you stop being naive once certain things happen to you throughout your life. so, with this explained, the chosen answers are:

when the boy saw the effects of war, he no longer viewed life as innocent.

the loss of innocence is a result of gaining experience and making mistakes.

one way to define innocence is as a lack of worldly experience or sophistication.

by our hard work

for that