How does currency help in economical activities?

A monetary economy is one in which goods are sold for money and money is used to buy goods. Money Promotes Productivity and Economic Growth: ... This raises the demand for money to finance the increased transactions brought about by the expanded level of economic activity.

probably 3 since archeologists and historians don’t understand there writing.

muslims have taken his goods and products to different parts of asia an indonesia. sometimes just traveled and trade, but in other occasions, stayed in the place and made a living.

trade was the key for muslims economies to prosper. their commerce routes reached far places like malaysia and java in the 11th century.

another important factor for prosperity was that muslim states served as the middle point for european traders.

they used to travel by land but sailing the seas -the indian ocean- really increase the exportation of products.