criminal justice discussion question and need the explanation and answer to help me learn.

Discussion: Students, you are to provide an adequate response supported by scholarly sources to below statements/questions:
(1) Describe the structure of the American court system;
(2) Identify the roles of a judge and how they are selected;
(3) Describe the pretrial process in criminal cases
(4) Discuss how the bail system operates/functions;
(5) Describe the process by which criminal charges are filed, and the role of the prosecutors’ discretion plays in that process;
(6) Identify and discuss the significance of Gideon v. Wainwright (1963); and describe how counsel is provided for defendants who cannot afford a private attorney; and
(7) Analyze the defense attorney’s role in the system and the nature of the attorney-client relationship.