It is clear by now that a new kind a people are emerging: Civil Servants. While some mockingly refer to this even growing institution as the 'the fourth estate', it is obvious that this men do provide a valuable service: tax income increases potentially, and because of it, silver mines will last 20% longer.
Your city must know Roman Law and have Representation in order to foster the growth of the Fourth Estate.
Technology Statistics[]
Available to: All
Researched at: Princely Court, Guild Hall, Assembly Hall
Requires: A Princely Court, Guild Hall or Assembly Hall
Century: 15th
Effect: Silver will last 20% longer