Although grand juries are not used in most cases, why do some argue the cost of grand juries is worth it?

a. because they are larger than petit juries.
b. because they discuss the issues behind closed doors
c. because they prevent prosecutors from abusing their powers
d. because they prevent police from abusing their powers

C. because they prevent prosecutors from abusing their powers

Explanation:

A jury, sometimes called jury, is a collegiate body of people who are not judges, specially trained to make a judicial decision, called a verdict or verdict, in a specific case. Ordinarily a jury is formed to decide on the guilt or innocence of a person, but there are also juries that fail on other issues, such as the grand jury whose role is limited to accusing a person to be submitted to trial.

The grand jury is a collegiate judicial body whose main function is to direct the procedure to investigate a crime, establish the charges and accuse the persons who should be prosecuted by it, by another court. Currently, only the United States and Liberia maintain the grand jury institution.

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

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