Florence had amassed huge wealth because of their famous bankers who gained power. These bankers and politicians, most notably the Medici family, used their wealth to pay for commissions from famous artists of the time which enriched the society. This is one of the reasons why the renaissance began in Italy.<span />
<span>B. An abundance of natural resources including salt and gold</span>
The role of pawnbrokers in the middle ages is : Making loans in exchange for property
So basically if the people in that period need some sort of fund, they can get it with the exchange of their valuable personal property (such as expensive arts, antiques, or gem stones)
hope this helps