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. Your welcome :)

Explanation:

The supporting idea of the third section: "How Important Are the Elements of a Fair Trial?" CENTRAL IDEA is To understand the importance of a fair trial in the United States, a person should know what trials are like in other countries.

Explanation:

It is stated in the central idea that a fair trial is a civil liberty in the United States, and it emphasizes that we are talking about the rights in this country, then the option a) would be the perfect supporting idea to this statement, since it makes a comparison between the trials in other countries and USA but keeps the intention of conveying how important they are for citizens.

you stated "which of the following" but i don't see anything else