There is nothing as bad as war. . when people realize how bad it is they cannot do anything to stop it because they go crazy. there are some people who never realize.
which common lost generation theme is reflected in the passage?
a. scorn for middle-class values
b. contempt for warfare
c. a deep sense of patriotism
d. opposition to censorship

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.

we need more information in order to answer.