Which duty must US citizens perform in order to preserve the right to a trial by jury ?

Citizen duties in the United States include following local, state and federal laws, which includes complying with all regulations, attending school if a minor and paying applicable taxes. However, only citizens are required to perform jury duty and register for the selective services. It is important that citizens serve on juries and testify in courts because the Constitution guarantees citizens the right to a trial by jury of their peers. For our system of justice to function, citizens must fulfill their duty to serve on juries and appear as witnesses.

Explanation:

the answer to your question is a because laws act as guidelines as to what is accepted in society. without it there would be conflicts between social groups and communities. it serves as a norm of conduct for citizens.