Updated. I apologize for messing up colors, I don't have the exact color capabilities with the program I am using. Rome, I deliberately lightened yours, as their are 2 reds already. First update will come soon, adding new NPCs.
Growth = Population of territory * Random number (-1 through 2)
I buy
1 water from the Seminoles
and
1 food from Teotihuacan
for 1 EP each
if they accept.