What is the responsibility of the grand jury? to determine if there is enough evidence to send a case to trial
to review appeals before referring a case to the supreme court
to determine the constitutionality of laws passed by the state legislature
to review the constitutionality of previous rulings by the lower courts

to determine if there is enough evidence to send a case to trial

Explanation:

The grand jury's function is to decide whether there is “probable cause” or “prima facie evidence” to believe that a person has committed a crime.

the answer is b.

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in 1803 the louisiana purchase took place, doubling the size of the country. by 1840 almost 7 million americans had migrated westward in hopes of securing land and being prosperous. the belief that settlers were destined to expand to the west is often referred to as manifest destiny.

explanation: