the envoy should also die after some time, or you could spy on your enemy forever.
Buildings units, ignore if some is already listed, i`ll just gert up with some.
Capitol
Barracks
Fort
Fortress
Outpost
Frontier outpost
gun-post [kinda like outpost]
Bank
plantation
Mill
Sheep pen
Cow pen
Wagon Worker [more advanced and efficient than regular workers]
peasant
citizen [only worker that can build banks, and manors]
manor
Farm
City Central [a fountain were citizens needs to be recharged, liek in pullos GE you can do this]
Market [exchange your gold for wood for example, no need to trade with AI]
Saloon [citizens can recharge here aswell]
Farm [peasents can recharge here, peasents have longer duration without recharge than citizen]
Stable [ofc]
Imperial Stable [ trains heavier cavalry, cots a lot more than stable]
Castle [ofc, queen ftw!]
Hospital [ctizens recharge here aswell]
I talekd about so many rechargers because you can customize your city a little more
idk AI though...