The domino theory is the answer. Hope it helps.
Answer:
D. 1:7
Explanation:
We might never find out, but what is amazing about helots is that there were seven of them per a single Spartan. You heard it right, seven slaves per a single free citizen.
Building a Water-Filtration plant near a reservoir. As the other 3 are government run. The water filtration plant would save the citizens taxes which means more spending money. <span />
B) limbs would get stuck into the machines. Therefore, resulting in loss of limbs. This happened alot and in addition, the environment wasn't so sanitary