Upgrade Town Hall to maximise number of citizens. Keep citizens 'happy' by building Tavern and provide rations of Wine [upgrade Tavern] and Museums [research Culture]. Keep 'corruption' low by upgrading Govenor's residence. Research 'Well Digging', 'Holiday' to improve 'happiness' If town happy, then population will grow [click on Town Hall to see growth per hour]. Range from 6 per hour population growth at Eurphoric to -1 per hour down at Angry.