Answer:
The amount of energy it takes on peoples labor to physically carry water back to their village and worrying about evaportation in hot weather which makes water transportation party weather dependant.
Looking for a clean source of water in the first place is also a tough one.
The answer would be a.The lords needed to protect their land from other nobles. Hope this helps:)
Answer: it’s a phrase that’s orgin is from the darwinian evolutionary theory as the way of describing the mechanism of natural selection.
