Lords could levy taxes on their townspeople! Have a great day
Explanation:
Wastewater can contain physical, chemical and biological pollutants. Households may produce wastewater from flush toilets, sinks, dishwashers, washing machines, bath tubs, and showers. ... After treatment at a wastewater treatment plant, treated wastewater (also called effluent) is discharged to a receiving water body.
Rivers, fertile soil, temperate climate
If a deep-ocean trench is located adjacent to a continent, active volcanoes would likely be found landward from the trench.
Convert them to Christianity