Answer:
Many casualties, and Debt racked up.
Explanation:
A, D
Both of these apply for a a civilization. B and C are incorrect.
Needs of people diversify dramatically, this then leads to an increase in trade as well because more people need different goods. This in effect causes people to trade more.
The economic boom contributed
B because the others are inaccurate
Buddhists believe they will attain Nirvana if he or she follows the Eightfold Noble path to completion.
I would say A