The answer is: c.it's a comment on human nature.
A strong theme usually contains a controversial thinking that could be related by most people by observing themselves and the environment surrounding them. Human nature has a very dark side to it whether we want to admit it or not. Which is why it become one of the important characteristic of a strong theme.
The closest source of marble for Rome was in the Apuan Alps 350 km north of Rome. In fact it was the Romans who started exploiting marble there.
The best answer is A.
Interest is a fee paid for the use of another party's money. To the borrower it is the cost of renting money, to the lender it is the income from lending it.
There are two kinds of interest. Simple interest or nominated interest is money earned from the money that has been deposited in an account, but not on the money the account earns.
Compound interest is money earned from the money that was originally put into an account (principal) plus the money that the interest earns. The interest also earns interest too.
The interest earned on the principal is regularly added to the balance.
