Bail reform act discussion

(5b) There are several stages of procedures that occur before a defendant is brought to trial: first appearance, preliminary hearing, and pretrial motions. You have also learned about bail and grand juries.

• What are the “critical stages” of criminal prosecutions?
• What are the four possible pleas a defendant may enter at arraignment?
• What did the 1984 Bail Reform Act do?

This should be at least 450 words with references! sorry i need it so fast i forgot all about everything being tonight TIA!