Explanation:

- Constitution ( Correct): The Constitution is the body of fundamental principles or established precedents according to which a state or other organization is governed. It sets out the structure, functions, and limits of government powers.

- Plea Bargain: This is an agreement in a criminal case between the prosecutor and the defendant, whereby the defendant agrees to plead guilty to a lesser charge or to one of several charges in exchange for concessions from the prosecutor.

- Due Process: This refers to the legal requirement that the state must respect all legal rights owed to a person. It balances the power of law and protects the individual from it.

- Trial Court: This is the court where a trial is held for a legal case, often involving the presentation of evidence and legal arguments.