Cheat Sheet
City production
Forest 1 Wood+ 1 Paper
Pasture 1 Sheep+ 1 Cloth
Mountains 1 Iron+ 1 Coin
Build costs Road 1 Wood+ 1 Brick
Settlement 1 Wood+ 1 Brick+ 1 Sheep+ 1 Grain
City 2 Grain+ 3 Iron
City wall 2 Brick
Recruit knt 1 Sheep+ 1 Iron
Promote knt 1 Sheep+ 1 Iron
Activate knt 1 Grain