Filth (like sewages)= how to keep it from potable water sources. Crime = too many poor people and not enough income available.
Disease = they were pretty dirty people, disease & death were at high rates.. many infected bodies to dispose of.
C is the right answer by the way
The answer is blood because you might find in in certain bibles
It’s A it’s been while I haven’t seen the movie but I hope that’s the answer