They actually don't know for sure what led to the decline but a lot of people believe that the Aryans invaded and conquered the Indus Civilization which would make sense because they were the next people group to live there. I hope this helps!
Answer:
D)
Explanation:
it is d bc i know :)) :) ;)
<span>Which of the following government types reflects Charles de Montesquieu's philosophy of government?
</span>Government
