What is the supporting idea of the third section:
"How Important Are the Elements of a Fair Trial?"
CENTRAL IDEA:
In the United States, the right to a fair trial is an important civil liberty that
has several elements that protect citizens.
To understand the importance of a fair trial in the United
States, a person should know what trials are like in other
countries.
China's legal system has made great improvements, but it is
still very different from that of the United States.
There is no set number of people that a jury must have to
guarantee a person a fair trial.
In places like North Korea, people accused of a crime might
have to wait a long time for a trial.

To understand the importance of a fair trail in the United States, a person should know what are like in other countries.

Explanation:

what are the choices?

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.