Merchants were very respected in the Islamic World because it spread the religion and Muhammed was born in a merchant family. Anyway, money is very important today, but it was also very important back then. During the Islamic World, they used money called "Dinar and Dirham" for trading goods. However, that was not always the case. When caravans had to travel a very far distance and have to carry thousands and thousands of dinar and dirham and goods, it is very difficult. So, they came up with an idea: to use a paper called "suftaja" to keep track of the total cost of the goods then go to an exchanger when they reach their distance. Merchants were called "caravans" in the Islamic World. They were called that because merchants had everything
