I don't know what I did to trigger a zero cost resource sorry. In fact the Ind Peo 'distrust' me 3% familiarity. They are influenced and their 2 population follow my nation's religion.
Reproduction is probably 1/5 I've never seen it before and haven't again.
Expected Behavior: Costing something.
Screen shot and save file attached.
Turn 93 - Zapotecs zero cost resource.ctr