Lack of cooperation with more advanced civilizations.
Answer:
It looks like children working in a coal mine so i guess Gases, Mines could collapse, and possibly get sick from fumes or something.
Answer:
Hello There. The correct answer is D.
Hope It Helps! ;)
ItsNobody
DFarmers who demanded a better governmernt
Answer:
C.
thank me later hahahahaha!!
