Question

Choose three. Three possible reasons for the fall of the Indus Valley civilization are _____.

1. Persian invaders
2. decline in trade
3. domestic issues
4. Aryan invasions
5. persistent floods

Answer 1

Answers:
2. decline in trade
3. domestic issues
5. persistent floods

Answer 2

Three possible reasons for the fall of the Indus Valley civilization are "Decline in trade" "domestic issues" and "persistent floods," since foreign invasions were never much of an issue early on.