The following reasons are put forward for its abrupt end: The neighboring desert encroached on the fertile area and made it infertile. Regular floods destroyed the area. Aryan invaders killed people and destroyed the Indus Valley Civilization.
HOPE THIS HELPED!!
Answer:
out of these options I would say either "it was protected by massive walls" but please do not just believe me because I am not sure
B.) Sicily because Athens had a powerful navy and it was op and Sparta is just know to be powerful Corinth in the Punic wars was powerful.
