message: Merchant Trade: +1 happiness from Oasis
diff: <iAnarchyLength>1</iAnarchyLength>
  <Upkeep>UPKEEP_LOW</Upkeep>
  <iTradeRoutes>1</iTradeRoutes>
  + <FeatureHappinessChanges>
  + <FeatureHappinessChange>
  + <FeatureType>FEATURE_OASIS</FeatureType>
  + <iHappinessChange>1</iHappinessChange>
  + </FeatureHappinessChange>
  + </FeatureHappinessChanges>
  </CivicInfo>
  <CivicInfo>
  <CivicOptionType>CIVICOPTION_ECONOMY</CivicOptionType>
  