Answer:
They would make cures
Explanation:
Some of the cures they tried included: Rubbing onions, herbs or a chopped up snake (if available) on the boils or cutting up a pigeon and rubbing it over an infected body. Drinking vinegar, eating crushed minerals, arsenic, mercury or even ten-year-old treacle!
I think the answer is diminishing marginal utility
<span>raised plots for crops were built from mud in the lake bed with canals between them :)</span>
