Final answer:
The key participants in the American judicial system are judges, attorneys, juries, and court personnel. Judges interpret and apply the law, attorneys represent parties in a case, juries make decisions, and court personnel assist in the administration of court proceedings.
Step-by-step explanation:
In the American judicial system, the key participants include judges, attorneys, juries, and court personnel. Judges are responsible for interpreting and applying the law, making decisions, and ensuring a fair trial. Attorneys represent the parties involved in a case and present arguments and evidence. Juries are composed of citizens who make decisions based on the facts presented during a trial. Court personnel, such as bailiffs and court clerks, assist in the administration of court proceedings.