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!
The answer to your question is,
Andrea del Verrocchio
-Mabel <3
C. ethnic and religious diversity distinguished the Middle Colonies from New England and the Southern Colonies.
Answer:
true
Explanation:
yes sir it is true uhhhhhhhh