Hearsay in Court Exceptions and Admissibility Questions

I’m trying to study for my Business Law course and I need some help to understand this question. 1. What is the relationship between the history of the hearsay rule and the history of the trial by jury?2. What is the rationale for allowing some confessions into evidence even though the confessions are hearsay? Do you believe such evidence should be heard? If so, why? If not, why? Explain.