'Birth of Jury Trial was forced by a Great Religious Event....4th Lateran Council'
thus, 2 systems - mutatis mutandis --> Common and Civil
- Western Law was born out of a religious attack on the Judicial Ordeal and jury trial in particular was one of the Western forms that emerged in the wake of the attack.
Basically, Judges went from ministers of bloodshed to ministers of Law. Ordeals were akin to warfare --> Canon 18