The Eighth Amendment was ratified in 1791 and prohibits excessive bail, fines, and cruel and unusual punishments. It has three provisions: the Cruel and Unusual Punishment Clause restricts the severity of punishments, the Excessive Fines Clause limits financial penalties, and the Excessive Bail Clause restricts judicial discretion in setting bail amounts. The document discusses key Supreme Court cases related to the Eighth Amendment and different forms of punishment throughout history.