Double jeopardy answer I looked it up
Answer: Hey dude why you keep putting up dumb things then post it
Explanation:
Hello! So one of the reasons was an insufficient government. Some only ruled for amusement and that led to insufficient tax revenue and other tribes invading the region. It's not so much cut to natural disasters. It can't be A, because that makes no sense. The answers are B, D, and E.
"larger" is the most accurate answer I can think of.